Home / 2,427.63-3,641.43-1,039.80

Finding the Fourth Proportional to 2,427.63, 3,641.43 and 1,039.80

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Solution

The fourth proportional to 2,427.63, 3,641.43 and 1,039.80 is: 1,559.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.63 : 3,641.43 = 1,039.80 : x
  2. Step 2: Convert to fraction form
    2,427.63/3,641.43 = 1,039.80/x
  3. Step 3: Cross multiply
    2,427.63x = 3,641.43 × 1,039.80
  4. Step 4: Simplify right side
    2,427.63x = 3,786,358.91
  5. Step 5: Solve for x
    x = 3,786,358.91/2,427.63
  6. Step 6: Final answer
    x = 1,559.69

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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.