Home / 2,425.30-3,346.92-1,377.40

Finding the Fourth Proportional to 2,425.30, 3,346.92 and 1,377.40

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Solution

The fourth proportional to 2,425.30, 3,346.92 and 1,377.40 is: 1,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.30 : 3,346.92 = 1,377.40 : x
  2. Step 2: Convert to fraction form
    2,425.30/3,346.92 = 1,377.40/x
  3. Step 3: Cross multiply
    2,425.30x = 3,346.92 × 1,377.40
  4. Step 4: Simplify right side
    2,425.30x = 4,610,047.61
  5. Step 5: Solve for x
    x = 4,610,047.61/2,425.30
  6. Step 6: Final answer
    x = 1,900.82

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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.