Home / 2,908.29-4,012.02-1,728.53

Finding the Fourth Proportional to 2,908.29, 4,012.02 and 1,728.53

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Solution

The fourth proportional to 2,908.29, 4,012.02 and 1,728.53 is: 2,384.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.29 : 4,012.02 = 1,728.53 : x
  2. Step 2: Convert to fraction form
    2,908.29/4,012.02 = 1,728.53/x
  3. Step 3: Cross multiply
    2,908.29x = 4,012.02 × 1,728.53
  4. Step 4: Simplify right side
    2,908.29x = 6,934,876.87
  5. Step 5: Solve for x
    x = 6,934,876.87/2,908.29
  6. Step 6: Final answer
    x = 2,384.52

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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.