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Finding the Fourth Proportional to 2,881.35, 3,972.72 and 1,701.99

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Solution

The fourth proportional to 2,881.35, 3,972.72 and 1,701.99 is: 2,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.35 : 3,972.72 = 1,701.99 : x
  2. Step 2: Convert to fraction form
    2,881.35/3,972.72 = 1,701.99/x
  3. Step 3: Cross multiply
    2,881.35x = 3,972.72 × 1,701.99
  4. Step 4: Simplify right side
    2,881.35x = 6,761,529.71
  5. Step 5: Solve for x
    x = 6,761,529.71/2,881.35
  6. Step 6: Final answer
    x = 2,346.65

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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.