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Finding the Fourth Proportional to 2,717.99, 3,750.71 and 1,523.08

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Solution

The fourth proportional to 2,717.99, 3,750.71 and 1,523.08 is: 2,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.99 : 3,750.71 = 1,523.08 : x
  2. Step 2: Convert to fraction form
    2,717.99/3,750.71 = 1,523.08/x
  3. Step 3: Cross multiply
    2,717.99x = 3,750.71 × 1,523.08
  4. Step 4: Simplify right side
    2,717.99x = 5,712,631.39
  5. Step 5: Solve for x
    x = 5,712,631.39/2,717.99
  6. Step 6: Final answer
    x = 2,101.79

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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.