Home / 2,488.48-3,726.24-1,620.16

Finding the Fourth Proportional to 2,488.48, 3,726.24 and 1,620.16

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Solution

The fourth proportional to 2,488.48, 3,726.24 and 1,620.16 is: 2,426.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.48 : 3,726.24 = 1,620.16 : x
  2. Step 2: Convert to fraction form
    2,488.48/3,726.24 = 1,620.16/x
  3. Step 3: Cross multiply
    2,488.48x = 3,726.24 × 1,620.16
  4. Step 4: Simplify right side
    2,488.48x = 6,037,105.00
  5. Step 5: Solve for x
    x = 6,037,105.00/2,488.48
  6. Step 6: Final answer
    x = 2,426.02

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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.