Home / 2,711.60-4,070.32-1,945.52

Finding the Fourth Proportional to 2,711.60, 4,070.32 and 1,945.52

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Solution

The fourth proportional to 2,711.60, 4,070.32 and 1,945.52 is: 2,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.60 : 4,070.32 = 1,945.52 : x
  2. Step 2: Convert to fraction form
    2,711.60/4,070.32 = 1,945.52/x
  3. Step 3: Cross multiply
    2,711.60x = 4,070.32 × 1,945.52
  4. Step 4: Simplify right side
    2,711.60x = 7,918,888.97
  5. Step 5: Solve for x
    x = 7,918,888.97/2,711.60
  6. Step 6: Final answer
    x = 2,920.38

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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.