Home / 3,754.40-5,178.33-3,256.18

Finding the Fourth Proportional to 3,754.40, 5,178.33 and 3,256.18

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Solution

The fourth proportional to 3,754.40, 5,178.33 and 3,256.18 is: 4,491.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.40 : 5,178.33 = 3,256.18 : x
  2. Step 2: Convert to fraction form
    3,754.40/5,178.33 = 3,256.18/x
  3. Step 3: Cross multiply
    3,754.40x = 5,178.33 × 3,256.18
  4. Step 4: Simplify right side
    3,754.40x = 16,861,561.63
  5. Step 5: Solve for x
    x = 16,861,561.63/3,754.40
  6. Step 6: Final answer
    x = 4,491.15

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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.