Home / 2,758.08-4,139.18-1,298.26

Finding the Fourth Proportional to 2,758.08, 4,139.18 and 1,298.26

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Solution

The fourth proportional to 2,758.08, 4,139.18 and 1,298.26 is: 1,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.08 : 4,139.18 = 1,298.26 : x
  2. Step 2: Convert to fraction form
    2,758.08/4,139.18 = 1,298.26/x
  3. Step 3: Cross multiply
    2,758.08x = 4,139.18 × 1,298.26
  4. Step 4: Simplify right side
    2,758.08x = 5,373,742.68
  5. Step 5: Solve for x
    x = 5,373,742.68/2,758.08
  6. Step 6: Final answer
    x = 1,948.36

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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.