Home / 1,601.28-2,402.60-628.07

Finding the Fourth Proportional to 1,601.28, 2,402.60 and 628.07

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Solution

The fourth proportional to 1,601.28, 2,402.60 and 628.07 is: 942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.28 : 2,402.60 = 628.07 : x
  2. Step 2: Convert to fraction form
    1,601.28/2,402.60 = 628.07/x
  3. Step 3: Cross multiply
    1,601.28x = 2,402.60 × 628.07
  4. Step 4: Simplify right side
    1,601.28x = 1,508,985.83
  5. Step 5: Solve for x
    x = 1,508,985.83/1,601.28
  6. Step 6: Final answer
    x = 942.36

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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.