Home / 2,333.40-3,220.52-1,839.90

Finding the Fourth Proportional to 2,333.40, 3,220.52 and 1,839.90

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Solution

The fourth proportional to 2,333.40, 3,220.52 and 1,839.90 is: 2,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.40 : 3,220.52 = 1,839.90 : x
  2. Step 2: Convert to fraction form
    2,333.40/3,220.52 = 1,839.90/x
  3. Step 3: Cross multiply
    2,333.40x = 3,220.52 × 1,839.90
  4. Step 4: Simplify right side
    2,333.40x = 5,925,434.75
  5. Step 5: Solve for x
    x = 5,925,434.75/2,333.40
  6. Step 6: Final answer
    x = 2,539.40

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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.