Home / 3,824.77-5,278.17-2,123.53

Finding the Fourth Proportional to 3,824.77, 5,278.17 and 2,123.53

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Solution

The fourth proportional to 3,824.77, 5,278.17 and 2,123.53 is: 2,930.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.77 : 5,278.17 = 2,123.53 : x
  2. Step 2: Convert to fraction form
    3,824.77/5,278.17 = 2,123.53/x
  3. Step 3: Cross multiply
    3,824.77x = 5,278.17 × 2,123.53
  4. Step 4: Simplify right side
    3,824.77x = 11,208,341.72
  5. Step 5: Solve for x
    x = 11,208,341.72/3,824.77
  6. Step 6: Final answer
    x = 2,930.47

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Half scale
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Double scale
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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.