Home / 1,607.03-2,214.63-1,108.76

Finding the Fourth Proportional to 1,607.03, 2,214.63 and 1,108.76

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Solution

The fourth proportional to 1,607.03, 2,214.63 and 1,108.76 is: 1,527.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.03 : 2,214.63 = 1,108.76 : x
  2. Step 2: Convert to fraction form
    1,607.03/2,214.63 = 1,108.76/x
  3. Step 3: Cross multiply
    1,607.03x = 2,214.63 × 1,108.76
  4. Step 4: Simplify right side
    1,607.03x = 2,455,482.09
  5. Step 5: Solve for x
    x = 2,455,482.09/1,607.03
  6. Step 6: Final answer
    x = 1,527.97

Related Problems

Find fourth proportional to 803.51, 1,107.32 and 554.38
Half scale
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Double scale
Find fourth proportional to 1,608.03, 2,216.01 and 1,109.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.