Home / 3,144.90-4,340.73-1,903.30

Finding the Fourth Proportional to 3,144.90, 4,340.73 and 1,903.30

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Solution

The fourth proportional to 3,144.90, 4,340.73 and 1,903.30 is: 2,627.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.90 : 4,340.73 = 1,903.30 : x
  2. Step 2: Convert to fraction form
    3,144.90/4,340.73 = 1,903.30/x
  3. Step 3: Cross multiply
    3,144.90x = 4,340.73 × 1,903.30
  4. Step 4: Simplify right side
    3,144.90x = 8,261,711.41
  5. Step 5: Solve for x
    x = 8,261,711.41/3,144.90
  6. Step 6: Final answer
    x = 2,627.02

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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.