Home / 3,126.18-4,684.88-2,429.68

Finding the Fourth Proportional to 3,126.18, 4,684.88 and 2,429.68

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Solution

The fourth proportional to 3,126.18, 4,684.88 and 2,429.68 is: 3,641.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.18 : 4,684.88 = 2,429.68 : x
  2. Step 2: Convert to fraction form
    3,126.18/4,684.88 = 2,429.68/x
  3. Step 3: Cross multiply
    3,126.18x = 4,684.88 × 2,429.68
  4. Step 4: Simplify right side
    3,126.18x = 11,382,759.24
  5. Step 5: Solve for x
    x = 11,382,759.24/3,126.18
  6. Step 6: Final answer
    x = 3,641.11

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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.