Home / 2,951.40-4,070.34-1,772.04

Finding the Fourth Proportional to 2,951.40, 4,070.34 and 1,772.04

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Solution

The fourth proportional to 2,951.40, 4,070.34 and 1,772.04 is: 2,443.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.40 : 4,070.34 = 1,772.04 : x
  2. Step 2: Convert to fraction form
    2,951.40/4,070.34 = 1,772.04/x
  3. Step 3: Cross multiply
    2,951.40x = 4,070.34 × 1,772.04
  4. Step 4: Simplify right side
    2,951.40x = 7,212,805.29
  5. Step 5: Solve for x
    x = 7,212,805.29/2,951.40
  6. Step 6: Final answer
    x = 2,443.86

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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.