Home / 2,938.12-4,407.08-1,182.58

Finding the Fourth Proportional to 2,938.12, 4,407.08 and 1,182.58

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Solution

The fourth proportional to 2,938.12, 4,407.08 and 1,182.58 is: 1,773.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.12 : 4,407.08 = 1,182.58 : x
  2. Step 2: Convert to fraction form
    2,938.12/4,407.08 = 1,182.58/x
  3. Step 3: Cross multiply
    2,938.12x = 4,407.08 × 1,182.58
  4. Step 4: Simplify right side
    2,938.12x = 5,211,707.74
  5. Step 5: Solve for x
    x = 5,211,707.74/2,938.12
  6. Step 6: Final answer
    x = 1,773.83

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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.