Home / 1,718.25-2,370.29-1,087.71

Finding the Fourth Proportional to 1,718.25, 2,370.29 and 1,087.71

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Solution

The fourth proportional to 1,718.25, 2,370.29 and 1,087.71 is: 1,500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.25 : 2,370.29 = 1,087.71 : x
  2. Step 2: Convert to fraction form
    1,718.25/2,370.29 = 1,087.71/x
  3. Step 3: Cross multiply
    1,718.25x = 2,370.29 × 1,087.71
  4. Step 4: Simplify right side
    1,718.25x = 2,578,188.14
  5. Step 5: Solve for x
    x = 2,578,188.14/1,718.25
  6. Step 6: Final answer
    x = 1,500.47

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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.