Home / 2,702.42-4,053.63-1,881.62

Finding the Fourth Proportional to 2,702.42, 4,053.63 and 1,881.62

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Solution

The fourth proportional to 2,702.42, 4,053.63 and 1,881.62 is: 2,822.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.42 : 4,053.63 = 1,881.62 : x
  2. Step 2: Convert to fraction form
    2,702.42/4,053.63 = 1,881.62/x
  3. Step 3: Cross multiply
    2,702.42x = 4,053.63 × 1,881.62
  4. Step 4: Simplify right side
    2,702.42x = 7,627,391.28
  5. Step 5: Solve for x
    x = 7,627,391.28/2,702.42
  6. Step 6: Final answer
    x = 2,822.43

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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.