Home / 2,588.68-3,880.45-1,027.77

Finding the Fourth Proportional to 2,588.68, 3,880.45 and 1,027.77

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Solution

The fourth proportional to 2,588.68, 3,880.45 and 1,027.77 is: 1,540.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.68 : 3,880.45 = 1,027.77 : x
  2. Step 2: Convert to fraction form
    2,588.68/3,880.45 = 1,027.77/x
  3. Step 3: Cross multiply
    2,588.68x = 3,880.45 × 1,027.77
  4. Step 4: Simplify right side
    2,588.68x = 3,988,210.10
  5. Step 5: Solve for x
    x = 3,988,210.10/2,588.68
  6. Step 6: Final answer
    x = 1,540.63

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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.