Home / 2,986.17-4,479.38-1,136.87

Finding the Fourth Proportional to 2,986.17, 4,479.38 and 1,136.87

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Solution

The fourth proportional to 2,986.17, 4,479.38 and 1,136.87 is: 1,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.17 : 4,479.38 = 1,136.87 : x
  2. Step 2: Convert to fraction form
    2,986.17/4,479.38 = 1,136.87/x
  3. Step 3: Cross multiply
    2,986.17x = 4,479.38 × 1,136.87
  4. Step 4: Simplify right side
    2,986.17x = 5,092,472.74
  5. Step 5: Solve for x
    x = 5,092,472.74/2,986.17
  6. Step 6: Final answer
    x = 1,705.35

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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.