Home / 2,759.46-4,140.75-1,117.17

Finding the Fourth Proportional to 2,759.46, 4,140.75 and 1,117.17

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Solution

The fourth proportional to 2,759.46, 4,140.75 and 1,117.17 is: 1,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.46 : 4,140.75 = 1,117.17 : x
  2. Step 2: Convert to fraction form
    2,759.46/4,140.75 = 1,117.17/x
  3. Step 3: Cross multiply
    2,759.46x = 4,140.75 × 1,117.17
  4. Step 4: Simplify right side
    2,759.46x = 4,625,921.68
  5. Step 5: Solve for x
    x = 4,625,921.68/2,759.46
  6. Step 6: Final answer
    x = 1,676.39

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1.5x scale

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.