Home / 2,539.92-3,503.82-1,655.40

Finding the Fourth Proportional to 2,539.92, 3,503.82 and 1,655.40

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Solution

The fourth proportional to 2,539.92, 3,503.82 and 1,655.40 is: 2,283.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.92 : 3,503.82 = 1,655.40 : x
  2. Step 2: Convert to fraction form
    2,539.92/3,503.82 = 1,655.40/x
  3. Step 3: Cross multiply
    2,539.92x = 3,503.82 × 1,655.40
  4. Step 4: Simplify right side
    2,539.92x = 5,800,223.63
  5. Step 5: Solve for x
    x = 5,800,223.63/2,539.92
  6. Step 6: Final answer
    x = 2,283.62

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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.