Home / 3,502.28-4,832.86-2,175.72

Finding the Fourth Proportional to 3,502.28, 4,832.86 and 2,175.72

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Solution

The fourth proportional to 3,502.28, 4,832.86 and 2,175.72 is: 3,002.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.28 : 4,832.86 = 2,175.72 : x
  2. Step 2: Convert to fraction form
    3,502.28/4,832.86 = 2,175.72/x
  3. Step 3: Cross multiply
    3,502.28x = 4,832.86 × 2,175.72
  4. Step 4: Simplify right side
    3,502.28x = 10,514,950.16
  5. Step 5: Solve for x
    x = 10,514,950.16/3,502.28
  6. Step 6: Final answer
    x = 3,002.32

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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.