Home / 4,146.80-5,722.54-2,379.02

Finding the Fourth Proportional to 4,146.80, 5,722.54 and 2,379.02

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Solution

The fourth proportional to 4,146.80, 5,722.54 and 2,379.02 is: 3,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.80 : 5,722.54 = 2,379.02 : x
  2. Step 2: Convert to fraction form
    4,146.80/5,722.54 = 2,379.02/x
  3. Step 3: Cross multiply
    4,146.80x = 5,722.54 × 2,379.02
  4. Step 4: Simplify right side
    4,146.80x = 13,614,002.55
  5. Step 5: Solve for x
    x = 13,614,002.55/4,146.80
  6. Step 6: Final answer
    x = 3,283.02

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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.