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Finding the Fourth Proportional to 3,346.62, 4,613.90 and 2,746.90

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Solution

The fourth proportional to 3,346.62, 4,613.90 and 2,746.90 is: 3,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.62 : 4,613.90 = 2,746.90 : x
  2. Step 2: Convert to fraction form
    3,346.62/4,613.90 = 2,746.90/x
  3. Step 3: Cross multiply
    3,346.62x = 4,613.90 × 2,746.90
  4. Step 4: Simplify right side
    3,346.62x = 12,673,921.91
  5. Step 5: Solve for x
    x = 12,673,921.91/3,346.62
  6. Step 6: Final answer
    x = 3,787.08

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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.