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Finding the Fourth Proportional to 1,718.99, 2,581.73 and 1,472.75

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Solution

The fourth proportional to 1,718.99, 2,581.73 and 1,472.75 is: 2,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.99 : 2,581.73 = 1,472.75 : x
  2. Step 2: Convert to fraction form
    1,718.99/2,581.73 = 1,472.75/x
  3. Step 3: Cross multiply
    1,718.99x = 2,581.73 × 1,472.75
  4. Step 4: Simplify right side
    1,718.99x = 3,802,242.86
  5. Step 5: Solve for x
    x = 3,802,242.86/1,718.99
  6. Step 6: Final answer
    x = 2,211.91

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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.