Home / 2,585.75-3,568.05-1,537.88

Finding the Fourth Proportional to 2,585.75, 3,568.05 and 1,537.88

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Solution

The fourth proportional to 2,585.75, 3,568.05 and 1,537.88 is: 2,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.75 : 3,568.05 = 1,537.88 : x
  2. Step 2: Convert to fraction form
    2,585.75/3,568.05 = 1,537.88/x
  3. Step 3: Cross multiply
    2,585.75x = 3,568.05 × 1,537.88
  4. Step 4: Simplify right side
    2,585.75x = 5,487,214.89
  5. Step 5: Solve for x
    x = 5,487,214.89/2,585.75
  6. Step 6: Final answer
    x = 2,122.10

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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.