Home / 2,583.90-3,875.85-1,488.78

Finding the Fourth Proportional to 2,583.90, 3,875.85 and 1,488.78

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Solution

The fourth proportional to 2,583.90, 3,875.85 and 1,488.78 is: 2,233.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,583.90 : 3,875.85 = 1,488.78 : x
  2. Step 2: Convert to fraction form
    2,583.90/3,875.85 = 1,488.78/x
  3. Step 3: Cross multiply
    2,583.90x = 3,875.85 × 1,488.78
  4. Step 4: Simplify right side
    2,583.90x = 5,770,287.96
  5. Step 5: Solve for x
    x = 5,770,287.96/2,583.90
  6. Step 6: Final answer
    x = 2,233.17

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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.