Home / 2,711.87-4,068.52-1,151.93

Finding the Fourth Proportional to 2,711.87, 4,068.52 and 1,151.93

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Solution

The fourth proportional to 2,711.87, 4,068.52 and 1,151.93 is: 1,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.87 : 4,068.52 = 1,151.93 : x
  2. Step 2: Convert to fraction form
    2,711.87/4,068.52 = 1,151.93/x
  3. Step 3: Cross multiply
    2,711.87x = 4,068.52 × 1,151.93
  4. Step 4: Simplify right side
    2,711.87x = 4,686,650.24
  5. Step 5: Solve for x
    x = 4,686,650.24/2,711.87
  6. Step 6: Final answer
    x = 1,728.20

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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.