Home / 2,423.20-3,346.56-1,679.04

Finding the Fourth Proportional to 2,423.20, 3,346.56 and 1,679.04

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Solution

The fourth proportional to 2,423.20, 3,346.56 and 1,679.04 is: 2,318.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.20 : 3,346.56 = 1,679.04 : x
  2. Step 2: Convert to fraction form
    2,423.20/3,346.56 = 1,679.04/x
  3. Step 3: Cross multiply
    2,423.20x = 3,346.56 × 1,679.04
  4. Step 4: Simplify right side
    2,423.20x = 5,619,008.10
  5. Step 5: Solve for x
    x = 5,619,008.10/2,423.20
  6. Step 6: Final answer
    x = 2,318.84

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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.