Home / 3,331.20-4,985.81-2,966.70

Finding the Fourth Proportional to 3,331.20, 4,985.81 and 2,966.70

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Solution

The fourth proportional to 3,331.20, 4,985.81 and 2,966.70 is: 4,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.20 : 4,985.81 = 2,966.70 : x
  2. Step 2: Convert to fraction form
    3,331.20/4,985.81 = 2,966.70/x
  3. Step 3: Cross multiply
    3,331.20x = 4,985.81 × 2,966.70
  4. Step 4: Simplify right side
    3,331.20x = 14,791,402.53
  5. Step 5: Solve for x
    x = 14,791,402.53/3,331.20
  6. Step 6: Final answer
    x = 4,440.26

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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.