Home / 3,671.91-5,077.21-3,612.56

Finding the Fourth Proportional to 3,671.91, 5,077.21 and 3,612.56

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Solution

The fourth proportional to 3,671.91, 5,077.21 and 3,612.56 is: 4,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.91 : 5,077.21 = 3,612.56 : x
  2. Step 2: Convert to fraction form
    3,671.91/5,077.21 = 3,612.56/x
  3. Step 3: Cross multiply
    3,671.91x = 5,077.21 × 3,612.56
  4. Step 4: Simplify right side
    3,671.91x = 18,341,730.79
  5. Step 5: Solve for x
    x = 18,341,730.79/3,671.91
  6. Step 6: Final answer
    x = 4,995.14

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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.