Home / 2,712.76-4,070.32-1,153.82

Finding the Fourth Proportional to 2,712.76, 4,070.32 and 1,153.82

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Solution

The fourth proportional to 2,712.76, 4,070.32 and 1,153.82 is: 1,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.76 : 4,070.32 = 1,153.82 : x
  2. Step 2: Convert to fraction form
    2,712.76/4,070.32 = 1,153.82/x
  3. Step 3: Cross multiply
    2,712.76x = 4,070.32 × 1,153.82
  4. Step 4: Simplify right side
    2,712.76x = 4,696,416.62
  5. Step 5: Solve for x
    x = 4,696,416.62/2,712.76
  6. Step 6: Final answer
    x = 1,731.23

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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.