Home / 2,876.32-3,969.68-1,757.02

Finding the Fourth Proportional to 2,876.32, 3,969.68 and 1,757.02

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Solution

The fourth proportional to 2,876.32, 3,969.68 and 1,757.02 is: 2,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.32 : 3,969.68 = 1,757.02 : x
  2. Step 2: Convert to fraction form
    2,876.32/3,969.68 = 1,757.02/x
  3. Step 3: Cross multiply
    2,876.32x = 3,969.68 × 1,757.02
  4. Step 4: Simplify right side
    2,876.32x = 6,974,807.15
  5. Step 5: Solve for x
    x = 6,974,807.15/2,876.32
  6. Step 6: Final answer
    x = 2,424.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.