Home / 1,340.28-2,016.18-1,150.20

Finding the Fourth Proportional to 1,340.28, 2,016.18 and 1,150.20

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Solution

The fourth proportional to 1,340.28, 2,016.18 and 1,150.20 is: 1,730.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.28 : 2,016.18 = 1,150.20 : x
  2. Step 2: Convert to fraction form
    1,340.28/2,016.18 = 1,150.20/x
  3. Step 3: Cross multiply
    1,340.28x = 2,016.18 × 1,150.20
  4. Step 4: Simplify right side
    1,340.28x = 2,319,010.24
  5. Step 5: Solve for x
    x = 2,319,010.24/1,340.28
  6. Step 6: Final answer
    x = 1,730.24

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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.