Home / 3,748.10-5,169.69-2,862.36

Finding the Fourth Proportional to 3,748.10, 5,169.69 and 2,862.36

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Solution

The fourth proportional to 3,748.10, 5,169.69 and 2,862.36 is: 3,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.10 : 5,169.69 = 2,862.36 : x
  2. Step 2: Convert to fraction form
    3,748.10/5,169.69 = 2,862.36/x
  3. Step 3: Cross multiply
    3,748.10x = 5,169.69 × 2,862.36
  4. Step 4: Simplify right side
    3,748.10x = 14,797,513.87
  5. Step 5: Solve for x
    x = 14,797,513.87/3,748.10
  6. Step 6: Final answer
    x = 3,948.01

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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.