Home / 2,490.20-3,735.30-1,625.24

Finding the Fourth Proportional to 2,490.20, 3,735.30 and 1,625.24

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Solution

The fourth proportional to 2,490.20, 3,735.30 and 1,625.24 is: 2,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.20 : 3,735.30 = 1,625.24 : x
  2. Step 2: Convert to fraction form
    2,490.20/3,735.30 = 1,625.24/x
  3. Step 3: Cross multiply
    2,490.20x = 3,735.30 × 1,625.24
  4. Step 4: Simplify right side
    2,490.20x = 6,070,758.97
  5. Step 5: Solve for x
    x = 6,070,758.97/2,490.20
  6. Step 6: Final answer
    x = 2,437.86

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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.