Home / 3,743.19-5,169.78-2,913.87

Finding the Fourth Proportional to 3,743.19, 5,169.78 and 2,913.87

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Solution

The fourth proportional to 3,743.19, 5,169.78 and 2,913.87 is: 4,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.19 : 5,169.78 = 2,913.87 : x
  2. Step 2: Convert to fraction form
    3,743.19/5,169.78 = 2,913.87/x
  3. Step 3: Cross multiply
    3,743.19x = 5,169.78 × 2,913.87
  4. Step 4: Simplify right side
    3,743.19x = 15,064,066.85
  5. Step 5: Solve for x
    x = 15,064,066.85/3,743.19
  6. Step 6: Final answer
    x = 4,024.39

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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.