Home / 3,764.36-5,646.91-1,298.86

Finding the Fourth Proportional to 3,764.36, 5,646.91 and 1,298.86

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Solution

The fourth proportional to 3,764.36, 5,646.91 and 1,298.86 is: 1,948.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.36 : 5,646.91 = 1,298.86 : x
  2. Step 2: Convert to fraction form
    3,764.36/5,646.91 = 1,298.86/x
  3. Step 3: Cross multiply
    3,764.36x = 5,646.91 × 1,298.86
  4. Step 4: Simplify right side
    3,764.36x = 7,334,545.52
  5. Step 5: Solve for x
    x = 7,334,545.52/3,764.36
  6. Step 6: Final answer
    x = 1,948.42

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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.