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Finding the Fourth Proportional to 3,151, 4,348.38 and 1,754.08

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Solution

The fourth proportional to 3,151, 4,348.38 and 1,754.08 is: 2,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151 : 4,348.38 = 1,754.08 : x
  2. Step 2: Convert to fraction form
    3,151/4,348.38 = 1,754.08/x
  3. Step 3: Cross multiply
    3,151x = 4,348.38 × 1,754.08
  4. Step 4: Simplify right side
    3,151x = 7,627,406.39
  5. Step 5: Solve for x
    x = 7,627,406.39/3,151
  6. Step 6: Final answer
    x = 2,420.63

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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.