Home / 2,490.24-3,735.42-929.58

Finding the Fourth Proportional to 2,490.24, 3,735.42 and 929.58

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Solution

The fourth proportional to 2,490.24, 3,735.42 and 929.58 is: 1,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.24 : 3,735.42 = 929.58 : x
  2. Step 2: Convert to fraction form
    2,490.24/3,735.42 = 929.58/x
  3. Step 3: Cross multiply
    2,490.24x = 3,735.42 × 929.58
  4. Step 4: Simplify right side
    2,490.24x = 3,472,354.23
  5. Step 5: Solve for x
    x = 3,472,354.23/2,490.24
  6. Step 6: Final answer
    x = 1,394.38

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1.5x scale

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.