Home / 1,758.88-2,638.32-1,246.24

Finding the Fourth Proportional to 1,758.88, 2,638.32 and 1,246.24

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Solution

The fourth proportional to 1,758.88, 2,638.32 and 1,246.24 is: 1,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.88 : 2,638.32 = 1,246.24 : x
  2. Step 2: Convert to fraction form
    1,758.88/2,638.32 = 1,246.24/x
  3. Step 3: Cross multiply
    1,758.88x = 2,638.32 × 1,246.24
  4. Step 4: Simplify right side
    1,758.88x = 3,287,979.92
  5. Step 5: Solve for x
    x = 3,287,979.92/1,758.88
  6. Step 6: Final answer
    x = 1,869.36

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Similar ratio
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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.