Home / 3,231.40-4,456.74-2,052.76

Finding the Fourth Proportional to 3,231.40, 4,456.74 and 2,052.76

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Solution

The fourth proportional to 3,231.40, 4,456.74 and 2,052.76 is: 2,831.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.40 : 4,456.74 = 2,052.76 : x
  2. Step 2: Convert to fraction form
    3,231.40/4,456.74 = 2,052.76/x
  3. Step 3: Cross multiply
    3,231.40x = 4,456.74 × 2,052.76
  4. Step 4: Simplify right side
    3,231.40x = 9,148,617.60
  5. Step 5: Solve for x
    x = 9,148,617.60/3,231.40
  6. Step 6: Final answer
    x = 2,831.16

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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.