Home / 3,764.13-5,646.35-1,423.90

Finding the Fourth Proportional to 3,764.13, 5,646.35 and 1,423.90

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Solution

The fourth proportional to 3,764.13, 5,646.35 and 1,423.90 is: 2,135.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.13 : 5,646.35 = 1,423.90 : x
  2. Step 2: Convert to fraction form
    3,764.13/5,646.35 = 1,423.90/x
  3. Step 3: Cross multiply
    3,764.13x = 5,646.35 × 1,423.90
  4. Step 4: Simplify right side
    3,764.13x = 8,039,837.77
  5. Step 5: Solve for x
    x = 8,039,837.77/3,764.13
  6. Step 6: Final answer
    x = 2,135.91

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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.