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Finding the Fourth Proportional to 2,727, 4,101.66 and 2,490.84

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Solution

The fourth proportional to 2,727, 4,101.66 and 2,490.84 is: 3,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727 : 4,101.66 = 2,490.84 : x
  2. Step 2: Convert to fraction form
    2,727/4,101.66 = 2,490.84/x
  3. Step 3: Cross multiply
    2,727x = 4,101.66 × 2,490.84
  4. Step 4: Simplify right side
    2,727x = 10,216,578.79
  5. Step 5: Solve for x
    x = 10,216,578.79/2,727
  6. Step 6: Final answer
    x = 3,746.45

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1.5x scale

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.