Home / 2,488.47-3,728.85-1,708.84

Finding the Fourth Proportional to 2,488.47, 3,728.85 and 1,708.84

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Solution

The fourth proportional to 2,488.47, 3,728.85 and 1,708.84 is: 2,560.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.47 : 3,728.85 = 1,708.84 : x
  2. Step 2: Convert to fraction form
    2,488.47/3,728.85 = 1,708.84/x
  3. Step 3: Cross multiply
    2,488.47x = 3,728.85 × 1,708.84
  4. Step 4: Simplify right side
    2,488.47x = 6,372,008.03
  5. Step 5: Solve for x
    x = 6,372,008.03/2,488.47
  6. Step 6: Final answer
    x = 2,560.61

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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.