Home / 3,649.32-5,478.30-3,634.92

Finding the Fourth Proportional to 3,649.32, 5,478.30 and 3,634.92

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Solution

The fourth proportional to 3,649.32, 5,478.30 and 3,634.92 is: 5,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.32 : 5,478.30 = 3,634.92 : x
  2. Step 2: Convert to fraction form
    3,649.32/5,478.30 = 3,634.92/x
  3. Step 3: Cross multiply
    3,649.32x = 5,478.30 × 3,634.92
  4. Step 4: Simplify right side
    3,649.32x = 19,913,182.24
  5. Step 5: Solve for x
    x = 19,913,182.24/3,649.32
  6. Step 6: Final answer
    x = 5,456.68

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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.