Home / 1,816.35-2,727.76-1,487.91

Finding the Fourth Proportional to 1,816.35, 2,727.76 and 1,487.91

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Solution

The fourth proportional to 1,816.35, 2,727.76 and 1,487.91 is: 2,234.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.35 : 2,727.76 = 1,487.91 : x
  2. Step 2: Convert to fraction form
    1,816.35/2,727.76 = 1,487.91/x
  3. Step 3: Cross multiply
    1,816.35x = 2,727.76 × 1,487.91
  4. Step 4: Simplify right side
    1,816.35x = 4,058,661.38
  5. Step 5: Solve for x
    x = 4,058,661.38/1,816.35
  6. Step 6: Final answer
    x = 2,234.52

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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.