Home / 2,159.25-3,233.40-1,335.02

Finding the Fourth Proportional to 2,159.25, 3,233.40 and 1,335.02

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Solution

The fourth proportional to 2,159.25, 3,233.40 and 1,335.02 is: 1,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.25 : 3,233.40 = 1,335.02 : x
  2. Step 2: Convert to fraction form
    2,159.25/3,233.40 = 1,335.02/x
  3. Step 3: Cross multiply
    2,159.25x = 3,233.40 × 1,335.02
  4. Step 4: Simplify right side
    2,159.25x = 4,316,661.75
  5. Step 5: Solve for x
    x = 4,316,661.75/2,159.25
  6. Step 6: Final answer
    x = 1,999.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.