Home / 3,214.20-4,794.18-2,931.24

Finding the Fourth Proportional to 3,214.20, 4,794.18 and 2,931.24

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Solution

The fourth proportional to 3,214.20, 4,794.18 and 2,931.24 is: 4,372.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.20 : 4,794.18 = 2,931.24 : x
  2. Step 2: Convert to fraction form
    3,214.20/4,794.18 = 2,931.24/x
  3. Step 3: Cross multiply
    3,214.20x = 4,794.18 × 2,931.24
  4. Step 4: Simplify right side
    3,214.20x = 14,052,892.18
  5. Step 5: Solve for x
    x = 14,052,892.18/3,214.20
  6. Step 6: Final answer
    x = 4,372.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.