Home / 3,754.48-5,178.28-2,868.08

Finding the Fourth Proportional to 3,754.48, 5,178.28 and 2,868.08

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Solution

The fourth proportional to 3,754.48, 5,178.28 and 2,868.08 is: 3,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.48 : 5,178.28 = 2,868.08 : x
  2. Step 2: Convert to fraction form
    3,754.48/5,178.28 = 2,868.08/x
  3. Step 3: Cross multiply
    3,754.48x = 5,178.28 × 2,868.08
  4. Step 4: Simplify right side
    3,754.48x = 14,851,721.30
  5. Step 5: Solve for x
    x = 14,851,721.30/3,754.48
  6. Step 6: Final answer
    x = 3,955.73

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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.