Home / 1,493.28-2,238.12-1,080.18

Finding the Fourth Proportional to 1,493.28, 2,238.12 and 1,080.18

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Solution

The fourth proportional to 1,493.28, 2,238.12 and 1,080.18 is: 1,618.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.28 : 2,238.12 = 1,080.18 : x
  2. Step 2: Convert to fraction form
    1,493.28/2,238.12 = 1,080.18/x
  3. Step 3: Cross multiply
    1,493.28x = 2,238.12 × 1,080.18
  4. Step 4: Simplify right side
    1,493.28x = 2,417,572.46
  5. Step 5: Solve for x
    x = 2,417,572.46/1,493.28
  6. Step 6: Final answer
    x = 1,618.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.