Home / 3,150.29-4,347.68-1,734.21

Finding the Fourth Proportional to 3,150.29, 4,347.68 and 1,734.21

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Solution

The fourth proportional to 3,150.29, 4,347.68 and 1,734.21 is: 2,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.29 : 4,347.68 = 1,734.21 : x
  2. Step 2: Convert to fraction form
    3,150.29/4,347.68 = 1,734.21/x
  3. Step 3: Cross multiply
    3,150.29x = 4,347.68 × 1,734.21
  4. Step 4: Simplify right side
    3,150.29x = 7,539,781.46
  5. Step 5: Solve for x
    x = 7,539,781.46/3,150.29
  6. Step 6: Final answer
    x = 2,393.36

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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.