Home / 1,528.14-2,292.18-373.89

Finding the Fourth Proportional to 1,528.14, 2,292.18 and 373.89

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Solution

The fourth proportional to 1,528.14, 2,292.18 and 373.89 is: 560.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.14 : 2,292.18 = 373.89 : x
  2. Step 2: Convert to fraction form
    1,528.14/2,292.18 = 373.89/x
  3. Step 3: Cross multiply
    1,528.14x = 2,292.18 × 373.89
  4. Step 4: Simplify right side
    1,528.14x = 857,023.18
  5. Step 5: Solve for x
    x = 857,023.18/1,528.14
  6. Step 6: Final answer
    x = 560.83

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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.