Home / 3,158.66-4,358.64-1,832.72

Finding the Fourth Proportional to 3,158.66, 4,358.64 and 1,832.72

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Solution

The fourth proportional to 3,158.66, 4,358.64 and 1,832.72 is: 2,528.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.66 : 4,358.64 = 1,832.72 : x
  2. Step 2: Convert to fraction form
    3,158.66/4,358.64 = 1,832.72/x
  3. Step 3: Cross multiply
    3,158.66x = 4,358.64 × 1,832.72
  4. Step 4: Simplify right side
    3,158.66x = 7,988,166.70
  5. Step 5: Solve for x
    x = 7,988,166.70/3,158.66
  6. Step 6: Final answer
    x = 2,528.97

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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.