Home / 2,742.08-4,114.28-1,010.28

Finding the Fourth Proportional to 2,742.08, 4,114.28 and 1,010.28

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Solution

The fourth proportional to 2,742.08, 4,114.28 and 1,010.28 is: 1,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.08 : 4,114.28 = 1,010.28 : x
  2. Step 2: Convert to fraction form
    2,742.08/4,114.28 = 1,010.28/x
  3. Step 3: Cross multiply
    2,742.08x = 4,114.28 × 1,010.28
  4. Step 4: Simplify right side
    2,742.08x = 4,156,574.80
  5. Step 5: Solve for x
    x = 4,156,574.80/2,742.08
  6. Step 6: Final answer
    x = 1,515.85

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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.