Home / 2,586.75-3,878.51-1,708.17

Finding the Fourth Proportional to 2,586.75, 3,878.51 and 1,708.17

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Solution

The fourth proportional to 2,586.75, 3,878.51 and 1,708.17 is: 2,561.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.75 : 3,878.51 = 1,708.17 : x
  2. Step 2: Convert to fraction form
    2,586.75/3,878.51 = 1,708.17/x
  3. Step 3: Cross multiply
    2,586.75x = 3,878.51 × 1,708.17
  4. Step 4: Simplify right side
    2,586.75x = 6,625,145.89
  5. Step 5: Solve for x
    x = 6,625,145.89/2,586.75
  6. Step 6: Final answer
    x = 2,561.19

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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.