Home / 1,557.38-2,336.07-403.13

Finding the Fourth Proportional to 1,557.38, 2,336.07 and 403.13

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Solution

The fourth proportional to 1,557.38, 2,336.07 and 403.13 is: 604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.38 : 2,336.07 = 403.13 : x
  2. Step 2: Convert to fraction form
    1,557.38/2,336.07 = 403.13/x
  3. Step 3: Cross multiply
    1,557.38x = 2,336.07 × 403.13
  4. Step 4: Simplify right side
    1,557.38x = 941,728.22
  5. Step 5: Solve for x
    x = 941,728.22/1,557.38
  6. Step 6: Final answer
    x = 604.69

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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.