Home / 1,600.04-2,400.40-560.20

Finding the Fourth Proportional to 1,600.04, 2,400.40 and 560.20

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Solution

The fourth proportional to 1,600.04, 2,400.40 and 560.20 is: 840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.04 : 2,400.40 = 560.20 : x
  2. Step 2: Convert to fraction form
    1,600.04/2,400.40 = 560.20/x
  3. Step 3: Cross multiply
    1,600.04x = 2,400.40 × 560.20
  4. Step 4: Simplify right side
    1,600.04x = 1,344,704.08
  5. Step 5: Solve for x
    x = 1,344,704.08/1,600.04
  6. Step 6: Final answer
    x = 840.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.