Home / 3,451.47-4,761.07-2,124.90

Finding the Fourth Proportional to 3,451.47, 4,761.07 and 2,124.90

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Solution

The fourth proportional to 3,451.47, 4,761.07 and 2,124.90 is: 2,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.47 : 4,761.07 = 2,124.90 : x
  2. Step 2: Convert to fraction form
    3,451.47/4,761.07 = 2,124.90/x
  3. Step 3: Cross multiply
    3,451.47x = 4,761.07 × 2,124.90
  4. Step 4: Simplify right side
    3,451.47x = 10,116,797.64
  5. Step 5: Solve for x
    x = 10,116,797.64/3,451.47
  6. Step 6: Final answer
    x = 2,931.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.