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Finding the Fourth Proportional to 1,715.44, 2,571 and 1,303.33

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Solution

The fourth proportional to 1,715.44, 2,571 and 1,303.33 is: 1,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.44 : 2,571 = 1,303.33 : x
  2. Step 2: Convert to fraction form
    1,715.44/2,571 = 1,303.33/x
  3. Step 3: Cross multiply
    1,715.44x = 2,571 × 1,303.33
  4. Step 4: Simplify right side
    1,715.44x = 3,350,861.43
  5. Step 5: Solve for x
    x = 3,350,861.43/1,715.44
  6. Step 6: Final answer
    x = 1,953.35

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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.