Home / 3,753.10-5,178.92-2,074.24

Finding the Fourth Proportional to 3,753.10, 5,178.92 and 2,074.24

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Solution

The fourth proportional to 3,753.10, 5,178.92 and 2,074.24 is: 2,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.10 : 5,178.92 = 2,074.24 : x
  2. Step 2: Convert to fraction form
    3,753.10/5,178.92 = 2,074.24/x
  3. Step 3: Cross multiply
    3,753.10x = 5,178.92 × 2,074.24
  4. Step 4: Simplify right side
    3,753.10x = 10,742,328.21
  5. Step 5: Solve for x
    x = 10,742,328.21/3,753.10
  6. Step 6: Final answer
    x = 2,862.25

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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.