Home / 2,588.61-3,879.68-2,038.62

Finding the Fourth Proportional to 2,588.61, 3,879.68 and 2,038.62

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Solution

The fourth proportional to 2,588.61, 3,879.68 and 2,038.62 is: 3,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.61 : 3,879.68 = 2,038.62 : x
  2. Step 2: Convert to fraction form
    2,588.61/3,879.68 = 2,038.62/x
  3. Step 3: Cross multiply
    2,588.61x = 3,879.68 × 2,038.62
  4. Step 4: Simplify right side
    2,588.61x = 7,909,209.06
  5. Step 5: Solve for x
    x = 7,909,209.06/2,588.61
  6. Step 6: Final answer
    x = 3,055.38

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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.