Home / 2,587.26-3,880.90-1,049.34

Finding the Fourth Proportional to 2,587.26, 3,880.90 and 1,049.34

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Solution

The fourth proportional to 2,587.26, 3,880.90 and 1,049.34 is: 1,574.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.26 : 3,880.90 = 1,049.34 : x
  2. Step 2: Convert to fraction form
    2,587.26/3,880.90 = 1,049.34/x
  3. Step 3: Cross multiply
    2,587.26x = 3,880.90 × 1,049.34
  4. Step 4: Simplify right side
    2,587.26x = 4,072,383.61
  5. Step 5: Solve for x
    x = 4,072,383.61/2,587.26
  6. Step 6: Final answer
    x = 1,574.01

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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.