Home / 1,454.62-2,005.76-1,082.30

Finding the Fourth Proportional to 1,454.62, 2,005.76 and 1,082.30

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Solution

The fourth proportional to 1,454.62, 2,005.76 and 1,082.30 is: 1,492.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.62 : 2,005.76 = 1,082.30 : x
  2. Step 2: Convert to fraction form
    1,454.62/2,005.76 = 1,082.30/x
  3. Step 3: Cross multiply
    1,454.62x = 2,005.76 × 1,082.30
  4. Step 4: Simplify right side
    1,454.62x = 2,170,834.05
  5. Step 5: Solve for x
    x = 2,170,834.05/1,454.62
  6. Step 6: Final answer
    x = 1,492.37

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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.