Home / 3,453.95-4,761.43-2,390.10

Finding the Fourth Proportional to 3,453.95, 4,761.43 and 2,390.10

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Solution

The fourth proportional to 3,453.95, 4,761.43 and 2,390.10 is: 3,294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.95 : 4,761.43 = 2,390.10 : x
  2. Step 2: Convert to fraction form
    3,453.95/4,761.43 = 2,390.10/x
  3. Step 3: Cross multiply
    3,453.95x = 4,761.43 × 2,390.10
  4. Step 4: Simplify right side
    3,453.95x = 11,380,278.98
  5. Step 5: Solve for x
    x = 11,380,278.98/3,453.95
  6. Step 6: Final answer
    x = 3,294.86

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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.