Home / 3,754.98-5,178.53-2,427.29

Finding the Fourth Proportional to 3,754.98, 5,178.53 and 2,427.29

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Solution

The fourth proportional to 3,754.98, 5,178.53 and 2,427.29 is: 3,347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.98 : 5,178.53 = 2,427.29 : x
  2. Step 2: Convert to fraction form
    3,754.98/5,178.53 = 2,427.29/x
  3. Step 3: Cross multiply
    3,754.98x = 5,178.53 × 2,427.29
  4. Step 4: Simplify right side
    3,754.98x = 12,569,756.05
  5. Step 5: Solve for x
    x = 12,569,756.05/3,754.98
  6. Step 6: Final answer
    x = 3,347.49

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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.