Home / 1,515.71-2,274.18-1,363.84

Finding the Fourth Proportional to 1,515.71, 2,274.18 and 1,363.84

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Solution

The fourth proportional to 1,515.71, 2,274.18 and 1,363.84 is: 2,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.71 : 2,274.18 = 1,363.84 : x
  2. Step 2: Convert to fraction form
    1,515.71/2,274.18 = 1,363.84/x
  3. Step 3: Cross multiply
    1,515.71x = 2,274.18 × 1,363.84
  4. Step 4: Simplify right side
    1,515.71x = 3,101,606.85
  5. Step 5: Solve for x
    x = 3,101,606.85/1,515.71
  6. Step 6: Final answer
    x = 2,046.30

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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.