Home / 3,604.69-5,407.17-2,123.20

Finding the Fourth Proportional to 3,604.69, 5,407.17 and 2,123.20

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Solution

The fourth proportional to 3,604.69, 5,407.17 and 2,123.20 is: 3,184.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.69 : 5,407.17 = 2,123.20 : x
  2. Step 2: Convert to fraction form
    3,604.69/5,407.17 = 2,123.20/x
  3. Step 3: Cross multiply
    3,604.69x = 5,407.17 × 2,123.20
  4. Step 4: Simplify right side
    3,604.69x = 11,480,503.34
  5. Step 5: Solve for x
    x = 11,480,503.34/3,604.69
  6. Step 6: Final answer
    x = 3,184.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.