Home / 2,759.19-4,139.60-1,114.89

Finding the Fourth Proportional to 2,759.19, 4,139.60 and 1,114.89

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Solution

The fourth proportional to 2,759.19, 4,139.60 and 1,114.89 is: 1,672.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.19 : 4,139.60 = 1,114.89 : x
  2. Step 2: Convert to fraction form
    2,759.19/4,139.60 = 1,114.89/x
  3. Step 3: Cross multiply
    2,759.19x = 4,139.60 × 1,114.89
  4. Step 4: Simplify right side
    2,759.19x = 4,615,193.07
  5. Step 5: Solve for x
    x = 4,615,193.07/2,759.19
  6. Step 6: Final answer
    x = 1,672.66

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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.