Home / 2,488.05-3,432.99-1,425.74

Finding the Fourth Proportional to 2,488.05, 3,432.99 and 1,425.74

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Solution

The fourth proportional to 2,488.05, 3,432.99 and 1,425.74 is: 1,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.05 : 3,432.99 = 1,425.74 : x
  2. Step 2: Convert to fraction form
    2,488.05/3,432.99 = 1,425.74/x
  3. Step 3: Cross multiply
    2,488.05x = 3,432.99 × 1,425.74
  4. Step 4: Simplify right side
    2,488.05x = 4,894,540.46
  5. Step 5: Solve for x
    x = 4,894,540.46/2,488.05
  6. Step 6: Final answer
    x = 1,967.22

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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.