Home / 3,454.14-4,761.69-2,390.28

Finding the Fourth Proportional to 3,454.14, 4,761.69 and 2,390.28

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Solution

The fourth proportional to 3,454.14, 4,761.69 and 2,390.28 is: 3,295.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.14 : 4,761.69 = 2,390.28 : x
  2. Step 2: Convert to fraction form
    3,454.14/4,761.69 = 2,390.28/x
  3. Step 3: Cross multiply
    3,454.14x = 4,761.69 × 2,390.28
  4. Step 4: Simplify right side
    3,454.14x = 11,381,785.78
  5. Step 5: Solve for x
    x = 11,381,785.78/3,454.14
  6. Step 6: Final answer
    x = 3,295.12

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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.