Home / 3,124.98-4,686.53-2,575.80

Finding the Fourth Proportional to 3,124.98, 4,686.53 and 2,575.80

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Solution

The fourth proportional to 3,124.98, 4,686.53 and 2,575.80 is: 3,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.98 : 4,686.53 = 2,575.80 : x
  2. Step 2: Convert to fraction form
    3,124.98/4,686.53 = 2,575.80/x
  3. Step 3: Cross multiply
    3,124.98x = 4,686.53 × 2,575.80
  4. Step 4: Simplify right side
    3,124.98x = 12,071,551.10
  5. Step 5: Solve for x
    x = 12,071,551.10/3,124.98
  6. Step 6: Final answer
    x = 3,862.92

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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.