Home / 1,515.71-2,257.93-1,469.82

Finding the Fourth Proportional to 1,515.71, 2,257.93 and 1,469.82

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Solution

The fourth proportional to 1,515.71, 2,257.93 and 1,469.82 is: 2,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.71 : 2,257.93 = 1,469.82 : x
  2. Step 2: Convert to fraction form
    1,515.71/2,257.93 = 1,469.82/x
  3. Step 3: Cross multiply
    1,515.71x = 2,257.93 × 1,469.82
  4. Step 4: Simplify right side
    1,515.71x = 3,318,746.36
  5. Step 5: Solve for x
    x = 3,318,746.36/1,515.71
  6. Step 6: Final answer
    x = 2,189.56

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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.