Home / 1,799.38-2,484.24-1,240.84

Finding the Fourth Proportional to 1,799.38, 2,484.24 and 1,240.84

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Solution

The fourth proportional to 1,799.38, 2,484.24 and 1,240.84 is: 1,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799.38 : 2,484.24 = 1,240.84 : x
  2. Step 2: Convert to fraction form
    1,799.38/2,484.24 = 1,240.84/x
  3. Step 3: Cross multiply
    1,799.38x = 2,484.24 × 1,240.84
  4. Step 4: Simplify right side
    1,799.38x = 3,082,544.36
  5. Step 5: Solve for x
    x = 3,082,544.36/1,799.38
  6. Step 6: Final answer
    x = 1,713.11

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Half scale
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Double scale
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Similar ratio
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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.