Home / 1,550.28-2,329.80-1,170.12

Finding the Fourth Proportional to 1,550.28, 2,329.80 and 1,170.12

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Solution

The fourth proportional to 1,550.28, 2,329.80 and 1,170.12 is: 1,758.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.28 : 2,329.80 = 1,170.12 : x
  2. Step 2: Convert to fraction form
    1,550.28/2,329.80 = 1,170.12/x
  3. Step 3: Cross multiply
    1,550.28x = 2,329.80 × 1,170.12
  4. Step 4: Simplify right side
    1,550.28x = 2,726,145.58
  5. Step 5: Solve for x
    x = 2,726,145.58/1,550.28
  6. Step 6: Final answer
    x = 1,758.49

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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.