Home / 1,627.25-2,440.11-702.23

Finding the Fourth Proportional to 1,627.25, 2,440.11 and 702.23

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Solution

The fourth proportional to 1,627.25, 2,440.11 and 702.23 is: 1,053.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.25 : 2,440.11 = 702.23 : x
  2. Step 2: Convert to fraction form
    1,627.25/2,440.11 = 702.23/x
  3. Step 3: Cross multiply
    1,627.25x = 2,440.11 × 702.23
  4. Step 4: Simplify right side
    1,627.25x = 1,713,518.45
  5. Step 5: Solve for x
    x = 1,713,518.45/1,627.25
  6. Step 6: Final answer
    x = 1,053.01

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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.