Home / 2,742.88-4,116-1,011.52

Finding the Fourth Proportional to 2,742.88, 4,116 and 1,011.52

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Solution

The fourth proportional to 2,742.88, 4,116 and 1,011.52 is: 1,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.88 : 4,116 = 1,011.52 : x
  2. Step 2: Convert to fraction form
    2,742.88/4,116 = 1,011.52/x
  3. Step 3: Cross multiply
    2,742.88x = 4,116 × 1,011.52
  4. Step 4: Simplify right side
    2,742.88x = 4,163,416.32
  5. Step 5: Solve for x
    x = 4,163,416.32/2,742.88
  6. Step 6: Final answer
    x = 1,517.90

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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.