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Finding the Fourth Proportional to 3,150.62, 4,347.78 and 1,734.34

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Solution

The fourth proportional to 3,150.62, 4,347.78 and 1,734.34 is: 2,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.62 : 4,347.78 = 1,734.34 : x
  2. Step 2: Convert to fraction form
    3,150.62/4,347.78 = 1,734.34/x
  3. Step 3: Cross multiply
    3,150.62x = 4,347.78 × 1,734.34
  4. Step 4: Simplify right side
    3,150.62x = 7,540,528.77
  5. Step 5: Solve for x
    x = 7,540,528.77/3,150.62
  6. Step 6: Final answer
    x = 2,393.35

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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.