Home / 2,321.29-3,203.42-1,259.08

Finding the Fourth Proportional to 2,321.29, 3,203.42 and 1,259.08

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Solution

The fourth proportional to 2,321.29, 3,203.42 and 1,259.08 is: 1,737.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.29 : 3,203.42 = 1,259.08 : x
  2. Step 2: Convert to fraction form
    2,321.29/3,203.42 = 1,259.08/x
  3. Step 3: Cross multiply
    2,321.29x = 3,203.42 × 1,259.08
  4. Step 4: Simplify right side
    2,321.29x = 4,033,347.75
  5. Step 5: Solve for x
    x = 4,033,347.75/2,321.29
  6. Step 6: Final answer
    x = 1,737.54

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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.