Home / 3,264.72-4,505.40-1,867.92

Finding the Fourth Proportional to 3,264.72, 4,505.40 and 1,867.92

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Solution

The fourth proportional to 3,264.72, 4,505.40 and 1,867.92 is: 2,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.72 : 4,505.40 = 1,867.92 : x
  2. Step 2: Convert to fraction form
    3,264.72/4,505.40 = 1,867.92/x
  3. Step 3: Cross multiply
    3,264.72x = 4,505.40 × 1,867.92
  4. Step 4: Simplify right side
    3,264.72x = 8,415,726.77
  5. Step 5: Solve for x
    x = 8,415,726.77/3,264.72
  6. Step 6: Final answer
    x = 2,577.78

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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.