Home / 3,158.68-4,358.18-1,832.30

Finding the Fourth Proportional to 3,158.68, 4,358.18 and 1,832.30

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Solution

The fourth proportional to 3,158.68, 4,358.18 and 1,832.30 is: 2,528.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.68 : 4,358.18 = 1,832.30 : x
  2. Step 2: Convert to fraction form
    3,158.68/4,358.18 = 1,832.30/x
  3. Step 3: Cross multiply
    3,158.68x = 4,358.18 × 1,832.30
  4. Step 4: Simplify right side
    3,158.68x = 7,985,493.21
  5. Step 5: Solve for x
    x = 7,985,493.21/3,158.68
  6. Step 6: Final answer
    x = 2,528.11

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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.