Home / 3,749.40-5,176.15-2,423.86

Finding the Fourth Proportional to 3,749.40, 5,176.15 and 2,423.86

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Solution

The fourth proportional to 3,749.40, 5,176.15 and 2,423.86 is: 3,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.40 : 5,176.15 = 2,423.86 : x
  2. Step 2: Convert to fraction form
    3,749.40/5,176.15 = 2,423.86/x
  3. Step 3: Cross multiply
    3,749.40x = 5,176.15 × 2,423.86
  4. Step 4: Simplify right side
    3,749.40x = 12,546,262.94
  5. Step 5: Solve for x
    x = 12,546,262.94/3,749.40
  6. Step 6: Final answer
    x = 3,346.21

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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.