Home / 2,321.02-3,203.10-1,273.12

Finding the Fourth Proportional to 2,321.02, 3,203.10 and 1,273.12

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Solution

The fourth proportional to 2,321.02, 3,203.10 and 1,273.12 is: 1,756.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.02 : 3,203.10 = 1,273.12 : x
  2. Step 2: Convert to fraction form
    2,321.02/3,203.10 = 1,273.12/x
  3. Step 3: Cross multiply
    2,321.02x = 3,203.10 × 1,273.12
  4. Step 4: Simplify right side
    2,321.02x = 4,077,930.67
  5. Step 5: Solve for x
    x = 4,077,930.67/2,321.02
  6. Step 6: Final answer
    x = 1,756.96

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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.