Home / 3,251.57-4,484.75-2,117.49

Finding the Fourth Proportional to 3,251.57, 4,484.75 and 2,117.49

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Solution

The fourth proportional to 3,251.57, 4,484.75 and 2,117.49 is: 2,920.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.57 : 4,484.75 = 2,117.49 : x
  2. Step 2: Convert to fraction form
    3,251.57/4,484.75 = 2,117.49/x
  3. Step 3: Cross multiply
    3,251.57x = 4,484.75 × 2,117.49
  4. Step 4: Simplify right side
    3,251.57x = 9,496,402.69
  5. Step 5: Solve for x
    x = 9,496,402.69/3,251.57
  6. Step 6: Final answer
    x = 2,920.56

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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.