Home / 1,767.41-2,432.78-1,558.13

Finding the Fourth Proportional to 1,767.41, 2,432.78 and 1,558.13

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Solution

The fourth proportional to 1,767.41, 2,432.78 and 1,558.13 is: 2,144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.41 : 2,432.78 = 1,558.13 : x
  2. Step 2: Convert to fraction form
    1,767.41/2,432.78 = 1,558.13/x
  3. Step 3: Cross multiply
    1,767.41x = 2,432.78 × 1,558.13
  4. Step 4: Simplify right side
    1,767.41x = 3,790,579.23
  5. Step 5: Solve for x
    x = 3,790,579.23/1,767.41
  6. Step 6: Final answer
    x = 2,144.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.