Home / 3,753.13-5,178.86-2,074.31

Finding the Fourth Proportional to 3,753.13, 5,178.86 and 2,074.31

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Solution

The fourth proportional to 3,753.13, 5,178.86 and 2,074.31 is: 2,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.13 : 5,178.86 = 2,074.31 : x
  2. Step 2: Convert to fraction form
    3,753.13/5,178.86 = 2,074.31/x
  3. Step 3: Cross multiply
    3,753.13x = 5,178.86 × 2,074.31
  4. Step 4: Simplify right side
    3,753.13x = 10,742,544.27
  5. Step 5: Solve for x
    x = 10,742,544.27/3,753.13
  6. Step 6: Final answer
    x = 2,862.29

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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.