Home / 1,586.72-2,363.34-1,515.65

Finding the Fourth Proportional to 1,586.72, 2,363.34 and 1,515.65

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Solution

The fourth proportional to 1,586.72, 2,363.34 and 1,515.65 is: 2,257.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.72 : 2,363.34 = 1,515.65 : x
  2. Step 2: Convert to fraction form
    1,586.72/2,363.34 = 1,515.65/x
  3. Step 3: Cross multiply
    1,586.72x = 2,363.34 × 1,515.65
  4. Step 4: Simplify right side
    1,586.72x = 3,581,996.27
  5. Step 5: Solve for x
    x = 3,581,996.27/1,586.72
  6. Step 6: Final answer
    x = 2,257.48

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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.