Home / 2,425.11-3,346.90-1,430.71

Finding the Fourth Proportional to 2,425.11, 3,346.90 and 1,430.71

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Solution

The fourth proportional to 2,425.11, 3,346.90 and 1,430.71 is: 1,974.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.11 : 3,346.90 = 1,430.71 : x
  2. Step 2: Convert to fraction form
    2,425.11/3,346.90 = 1,430.71/x
  3. Step 3: Cross multiply
    2,425.11x = 3,346.90 × 1,430.71
  4. Step 4: Simplify right side
    2,425.11x = 4,788,443.30
  5. Step 5: Solve for x
    x = 4,788,443.30/2,425.11
  6. Step 6: Final answer
    x = 1,974.53

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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.