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Finding the Fourth Proportional to 2,827.70, 4,241.55 and 2,746.70

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Solution

The fourth proportional to 2,827.70, 4,241.55 and 2,746.70 is: 4,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.70 : 4,241.55 = 2,746.70 : x
  2. Step 2: Convert to fraction form
    2,827.70/4,241.55 = 2,746.70/x
  3. Step 3: Cross multiply
    2,827.70x = 4,241.55 × 2,746.70
  4. Step 4: Simplify right side
    2,827.70x = 11,650,265.39
  5. Step 5: Solve for x
    x = 11,650,265.39/2,827.70
  6. Step 6: Final answer
    x = 4,120.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.