Home / 3,084.74-4,255.90-1,826.21

Finding the Fourth Proportional to 3,084.74, 4,255.90 and 1,826.21

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Solution

The fourth proportional to 3,084.74, 4,255.90 and 1,826.21 is: 2,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.74 : 4,255.90 = 1,826.21 : x
  2. Step 2: Convert to fraction form
    3,084.74/4,255.90 = 1,826.21/x
  3. Step 3: Cross multiply
    3,084.74x = 4,255.90 × 1,826.21
  4. Step 4: Simplify right side
    3,084.74x = 7,772,167.14
  5. Step 5: Solve for x
    x = 7,772,167.14/3,084.74
  6. Step 6: Final answer
    x = 2,519.55

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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.