Home / 3,680.47-5,079.81-2,264.86

Finding the Fourth Proportional to 3,680.47, 5,079.81 and 2,264.86

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Solution

The fourth proportional to 3,680.47, 5,079.81 and 2,264.86 is: 3,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.47 : 5,079.81 = 2,264.86 : x
  2. Step 2: Convert to fraction form
    3,680.47/5,079.81 = 2,264.86/x
  3. Step 3: Cross multiply
    3,680.47x = 5,079.81 × 2,264.86
  4. Step 4: Simplify right side
    3,680.47x = 11,505,058.48
  5. Step 5: Solve for x
    x = 11,505,058.48/3,680.47
  6. Step 6: Final answer
    x = 3,125.98

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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.