Home / 2,531.91-3,798.78-1,807.17

Finding the Fourth Proportional to 2,531.91, 3,798.78 and 1,807.17

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Solution

The fourth proportional to 2,531.91, 3,798.78 and 1,807.17 is: 2,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.91 : 3,798.78 = 1,807.17 : x
  2. Step 2: Convert to fraction form
    2,531.91/3,798.78 = 1,807.17/x
  3. Step 3: Cross multiply
    2,531.91x = 3,798.78 × 1,807.17
  4. Step 4: Simplify right side
    2,531.91x = 6,865,041.25
  5. Step 5: Solve for x
    x = 6,865,041.25/2,531.91
  6. Step 6: Final answer
    x = 2,711.41

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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.