Home / 2,321.57-3,203.75-1,259.32

Finding the Fourth Proportional to 2,321.57, 3,203.75 and 1,259.32

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Solution

The fourth proportional to 2,321.57, 3,203.75 and 1,259.32 is: 1,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.57 : 3,203.75 = 1,259.32 : x
  2. Step 2: Convert to fraction form
    2,321.57/3,203.75 = 1,259.32/x
  3. Step 3: Cross multiply
    2,321.57x = 3,203.75 × 1,259.32
  4. Step 4: Simplify right side
    2,321.57x = 4,034,551.29
  5. Step 5: Solve for x
    x = 4,034,551.29/2,321.57
  6. Step 6: Final answer
    x = 1,737.85

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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.