Home / 3,635.13-5,016.51-2,123.74

Finding the Fourth Proportional to 3,635.13, 5,016.51 and 2,123.74

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Solution

The fourth proportional to 3,635.13, 5,016.51 and 2,123.74 is: 2,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.13 : 5,016.51 = 2,123.74 : x
  2. Step 2: Convert to fraction form
    3,635.13/5,016.51 = 2,123.74/x
  3. Step 3: Cross multiply
    3,635.13x = 5,016.51 × 2,123.74
  4. Step 4: Simplify right side
    3,635.13x = 10,653,762.95
  5. Step 5: Solve for x
    x = 10,653,762.95/3,635.13
  6. Step 6: Final answer
    x = 2,930.78

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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.