Home / 1,106.12-1,526.40-608.76

Finding the Fourth Proportional to 1,106.12, 1,526.40 and 608.76

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Solution

The fourth proportional to 1,106.12, 1,526.40 and 608.76 is: 840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106.12 : 1,526.40 = 608.76 : x
  2. Step 2: Convert to fraction form
    1,106.12/1,526.40 = 608.76/x
  3. Step 3: Cross multiply
    1,106.12x = 1,526.40 × 608.76
  4. Step 4: Simplify right side
    1,106.12x = 929,211.26
  5. Step 5: Solve for x
    x = 929,211.26/1,106.12
  6. Step 6: Final answer
    x = 840.06

Related Problems

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Half scale
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Double scale
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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.