Home / 1,571.25-2,343.16-1,377.15

Finding the Fourth Proportional to 1,571.25, 2,343.16 and 1,377.15

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Solution

The fourth proportional to 1,571.25, 2,343.16 and 1,377.15 is: 2,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.25 : 2,343.16 = 1,377.15 : x
  2. Step 2: Convert to fraction form
    1,571.25/2,343.16 = 1,377.15/x
  3. Step 3: Cross multiply
    1,571.25x = 2,343.16 × 1,377.15
  4. Step 4: Simplify right side
    1,571.25x = 3,226,882.79
  5. Step 5: Solve for x
    x = 3,226,882.79/1,571.25
  6. Step 6: Final answer
    x = 2,053.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.