Home / 1,526.38-2,289.56-372.12

Finding the Fourth Proportional to 1,526.38, 2,289.56 and 372.12

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Solution

The fourth proportional to 1,526.38, 2,289.56 and 372.12 is: 558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.38 : 2,289.56 = 372.12 : x
  2. Step 2: Convert to fraction form
    1,526.38/2,289.56 = 372.12/x
  3. Step 3: Cross multiply
    1,526.38x = 2,289.56 × 372.12
  4. Step 4: Simplify right side
    1,526.38x = 851,991.07
  5. Step 5: Solve for x
    x = 851,991.07/1,526.38
  6. Step 6: Final answer
    x = 558.18

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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.