Home / 2,742.58-4,114.29-1,011.08

Finding the Fourth Proportional to 2,742.58, 4,114.29 and 1,011.08

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Solution

The fourth proportional to 2,742.58, 4,114.29 and 1,011.08 is: 1,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.58 : 4,114.29 = 1,011.08 : x
  2. Step 2: Convert to fraction form
    2,742.58/4,114.29 = 1,011.08/x
  3. Step 3: Cross multiply
    2,742.58x = 4,114.29 × 1,011.08
  4. Step 4: Simplify right side
    2,742.58x = 4,159,876.33
  5. Step 5: Solve for x
    x = 4,159,876.33/2,742.58
  6. Step 6: Final answer
    x = 1,516.77

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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.