Home / 2,742.60-4,114.17-1,011

Finding the Fourth Proportional to 2,742.60, 4,114.17 and 1,011

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Solution

The fourth proportional to 2,742.60, 4,114.17 and 1,011 is: 1,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.60 : 4,114.17 = 1,011 : x
  2. Step 2: Convert to fraction form
    2,742.60/4,114.17 = 1,011/x
  3. Step 3: Cross multiply
    2,742.60x = 4,114.17 × 1,011
  4. Step 4: Simplify right side
    2,742.60x = 4,159,425.87
  5. Step 5: Solve for x
    x = 4,159,425.87/2,742.60
  6. Step 6: Final answer
    x = 1,516.60

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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.