Home / 3,084.48-4,255.74-1,757.70

Finding the Fourth Proportional to 3,084.48, 4,255.74 and 1,757.70

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Solution

The fourth proportional to 3,084.48, 4,255.74 and 1,757.70 is: 2,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.48 : 4,255.74 = 1,757.70 : x
  2. Step 2: Convert to fraction form
    3,084.48/4,255.74 = 1,757.70/x
  3. Step 3: Cross multiply
    3,084.48x = 4,255.74 × 1,757.70
  4. Step 4: Simplify right side
    3,084.48x = 7,480,314.20
  5. Step 5: Solve for x
    x = 7,480,314.20/3,084.48
  6. Step 6: Final answer
    x = 2,425.15

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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.