Home / 3,158.91-4,358.84-1,832.67

Finding the Fourth Proportional to 3,158.91, 4,358.84 and 1,832.67

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Solution

The fourth proportional to 3,158.91, 4,358.84 and 1,832.67 is: 2,528.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.91 : 4,358.84 = 1,832.67 : x
  2. Step 2: Convert to fraction form
    3,158.91/4,358.84 = 1,832.67/x
  3. Step 3: Cross multiply
    3,158.91x = 4,358.84 × 1,832.67
  4. Step 4: Simplify right side
    3,158.91x = 7,988,306.14
  5. Step 5: Solve for x
    x = 7,988,306.14/3,158.91
  6. Step 6: Final answer
    x = 2,528.82

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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.