Home / 2,588.03-3,879.47-1,339.17

Finding the Fourth Proportional to 2,588.03, 3,879.47 and 1,339.17

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Solution

The fourth proportional to 2,588.03, 3,879.47 and 1,339.17 is: 2,007.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.03 : 3,879.47 = 1,339.17 : x
  2. Step 2: Convert to fraction form
    2,588.03/3,879.47 = 1,339.17/x
  3. Step 3: Cross multiply
    2,588.03x = 3,879.47 × 1,339.17
  4. Step 4: Simplify right side
    2,588.03x = 5,195,254.87
  5. Step 5: Solve for x
    x = 5,195,254.87/2,588.03
  6. Step 6: Final answer
    x = 2,007.41

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1.5x scale

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.