Home / 3,247.40-4,862.78-2,671.40

Finding the Fourth Proportional to 3,247.40, 4,862.78 and 2,671.40

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Solution

The fourth proportional to 3,247.40, 4,862.78 and 2,671.40 is: 4,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.40 : 4,862.78 = 2,671.40 : x
  2. Step 2: Convert to fraction form
    3,247.40/4,862.78 = 2,671.40/x
  3. Step 3: Cross multiply
    3,247.40x = 4,862.78 × 2,671.40
  4. Step 4: Simplify right side
    3,247.40x = 12,990,430.49
  5. Step 5: Solve for x
    x = 12,990,430.49/3,247.40
  6. Step 6: Final answer
    x = 4,000.26

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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.