Home / 1,592.76-2,199.72-1,220.97

Finding the Fourth Proportional to 1,592.76, 2,199.72 and 1,220.97

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Solution

The fourth proportional to 1,592.76, 2,199.72 and 1,220.97 is: 1,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.76 : 2,199.72 = 1,220.97 : x
  2. Step 2: Convert to fraction form
    1,592.76/2,199.72 = 1,220.97/x
  3. Step 3: Cross multiply
    1,592.76x = 2,199.72 × 1,220.97
  4. Step 4: Simplify right side
    1,592.76x = 2,685,804.96
  5. Step 5: Solve for x
    x = 2,685,804.96/1,592.76
  6. Step 6: Final answer
    x = 1,686.25

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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.