Home / 2,379.43-3,569.68-1,283.77

Finding the Fourth Proportional to 2,379.43, 3,569.68 and 1,283.77

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Solution

The fourth proportional to 2,379.43, 3,569.68 and 1,283.77 is: 1,925.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.43 : 3,569.68 = 1,283.77 : x
  2. Step 2: Convert to fraction form
    2,379.43/3,569.68 = 1,283.77/x
  3. Step 3: Cross multiply
    2,379.43x = 3,569.68 × 1,283.77
  4. Step 4: Simplify right side
    2,379.43x = 4,582,627.04
  5. Step 5: Solve for x
    x = 4,582,627.04/2,379.43
  6. Step 6: Final answer
    x = 1,925.94

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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.