Home / 3,170.79-4,374.63-1,843.41

Finding the Fourth Proportional to 3,170.79, 4,374.63 and 1,843.41

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Solution

The fourth proportional to 3,170.79, 4,374.63 and 1,843.41 is: 2,543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.79 : 4,374.63 = 1,843.41 : x
  2. Step 2: Convert to fraction form
    3,170.79/4,374.63 = 1,843.41/x
  3. Step 3: Cross multiply
    3,170.79x = 4,374.63 × 1,843.41
  4. Step 4: Simplify right side
    3,170.79x = 8,064,227.47
  5. Step 5: Solve for x
    x = 8,064,227.47/3,170.79
  6. Step 6: Final answer
    x = 2,543.29

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1.5x scale

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.