Home / 1,616.90-2,423.39-1,152.18

Finding the Fourth Proportional to 1,616.90, 2,423.39 and 1,152.18

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Solution

The fourth proportional to 1,616.90, 2,423.39 and 1,152.18 is: 1,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.90 : 2,423.39 = 1,152.18 : x
  2. Step 2: Convert to fraction form
    1,616.90/2,423.39 = 1,152.18/x
  3. Step 3: Cross multiply
    1,616.90x = 2,423.39 × 1,152.18
  4. Step 4: Simplify right side
    1,616.90x = 2,792,181.49
  5. Step 5: Solve for x
    x = 2,792,181.49/1,616.90
  6. Step 6: Final answer
    x = 1,726.87

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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.