Home / 3,680.46-5,081.34-2,423.76

Finding the Fourth Proportional to 3,680.46, 5,081.34 and 2,423.76

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Solution

The fourth proportional to 3,680.46, 5,081.34 and 2,423.76 is: 3,346.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.46 : 5,081.34 = 2,423.76 : x
  2. Step 2: Convert to fraction form
    3,680.46/5,081.34 = 2,423.76/x
  3. Step 3: Cross multiply
    3,680.46x = 5,081.34 × 2,423.76
  4. Step 4: Simplify right side
    3,680.46x = 12,315,948.64
  5. Step 5: Solve for x
    x = 12,315,948.64/3,680.46
  6. Step 6: Final answer
    x = 3,346.31

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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.