Home / 2,876.27-3,969.09-1,617.53

Finding the Fourth Proportional to 2,876.27, 3,969.09 and 1,617.53

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Solution

The fourth proportional to 2,876.27, 3,969.09 and 1,617.53 is: 2,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.27 : 3,969.09 = 1,617.53 : x
  2. Step 2: Convert to fraction form
    2,876.27/3,969.09 = 1,617.53/x
  3. Step 3: Cross multiply
    2,876.27x = 3,969.09 × 1,617.53
  4. Step 4: Simplify right side
    2,876.27x = 6,420,102.30
  5. Step 5: Solve for x
    x = 6,420,102.30/2,876.27
  6. Step 6: Final answer
    x = 2,232.10

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1.5x scale

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.