Home / 1,718.06-2,570.24-1,489.80

Finding the Fourth Proportional to 1,718.06, 2,570.24 and 1,489.80

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Solution

The fourth proportional to 1,718.06, 2,570.24 and 1,489.80 is: 2,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.06 : 2,570.24 = 1,489.80 : x
  2. Step 2: Convert to fraction form
    1,718.06/2,570.24 = 1,489.80/x
  3. Step 3: Cross multiply
    1,718.06x = 2,570.24 × 1,489.80
  4. Step 4: Simplify right side
    1,718.06x = 3,829,143.55
  5. Step 5: Solve for x
    x = 3,829,143.55/1,718.06
  6. Step 6: Final answer
    x = 2,228.76

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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.