Home / 3,248.20-4,482.12-1,831.78

Finding the Fourth Proportional to 3,248.20, 4,482.12 and 1,831.78

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Solution

The fourth proportional to 3,248.20, 4,482.12 and 1,831.78 is: 2,527.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.20 : 4,482.12 = 1,831.78 : x
  2. Step 2: Convert to fraction form
    3,248.20/4,482.12 = 1,831.78/x
  3. Step 3: Cross multiply
    3,248.20x = 4,482.12 × 1,831.78
  4. Step 4: Simplify right side
    3,248.20x = 8,210,257.77
  5. Step 5: Solve for x
    x = 8,210,257.77/3,248.20
  6. Step 6: Final answer
    x = 2,527.63

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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.