Home / 1,974.24-2,723.60-1,134.75

Finding the Fourth Proportional to 1,974.24, 2,723.60 and 1,134.75

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Solution

The fourth proportional to 1,974.24, 2,723.60 and 1,134.75 is: 1,565.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.24 : 2,723.60 = 1,134.75 : x
  2. Step 2: Convert to fraction form
    1,974.24/2,723.60 = 1,134.75/x
  3. Step 3: Cross multiply
    1,974.24x = 2,723.60 × 1,134.75
  4. Step 4: Simplify right side
    1,974.24x = 3,090,605.10
  5. Step 5: Solve for x
    x = 3,090,605.10/1,974.24
  6. Step 6: Final answer
    x = 1,565.47

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Half scale
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Double scale
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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.