Home / 3,158.19-4,739.40-2,182.55

Finding the Fourth Proportional to 3,158.19, 4,739.40 and 2,182.55

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Solution

The fourth proportional to 3,158.19, 4,739.40 and 2,182.55 is: 3,275.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.19 : 4,739.40 = 2,182.55 : x
  2. Step 2: Convert to fraction form
    3,158.19/4,739.40 = 2,182.55/x
  3. Step 3: Cross multiply
    3,158.19x = 4,739.40 × 2,182.55
  4. Step 4: Simplify right side
    3,158.19x = 10,343,953.77
  5. Step 5: Solve for x
    x = 10,343,953.77/3,158.19
  6. Step 6: Final answer
    x = 3,275.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.