Home / 3,167.20-4,756.20-2,076.40

Finding the Fourth Proportional to 3,167.20, 4,756.20 and 2,076.40

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Solution

The fourth proportional to 3,167.20, 4,756.20 and 2,076.40 is: 3,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.20 : 4,756.20 = 2,076.40 : x
  2. Step 2: Convert to fraction form
    3,167.20/4,756.20 = 2,076.40/x
  3. Step 3: Cross multiply
    3,167.20x = 4,756.20 × 2,076.40
  4. Step 4: Simplify right side
    3,167.20x = 9,875,773.68
  5. Step 5: Solve for x
    x = 9,875,773.68/3,167.20
  6. Step 6: Final answer
    x = 3,118.14

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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.