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Finding the Fourth Proportional to 2,524.80, 3,484.80 and 1,639.07

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Solution

The fourth proportional to 2,524.80, 3,484.80 and 1,639.07 is: 2,262.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,524.80 : 3,484.80 = 1,639.07 : x
  2. Step 2: Convert to fraction form
    2,524.80/3,484.80 = 1,639.07/x
  3. Step 3: Cross multiply
    2,524.80x = 3,484.80 × 1,639.07
  4. Step 4: Simplify right side
    2,524.80x = 5,711,831.14
  5. Step 5: Solve for x
    x = 5,711,831.14/2,524.80
  6. Step 6: Final answer
    x = 2,262.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.