Home / 2,387.41-3,579.75-924.86

Finding the Fourth Proportional to 2,387.41, 3,579.75 and 924.86

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Solution

The fourth proportional to 2,387.41, 3,579.75 and 924.86 is: 1,386.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.41 : 3,579.75 = 924.86 : x
  2. Step 2: Convert to fraction form
    2,387.41/3,579.75 = 924.86/x
  3. Step 3: Cross multiply
    2,387.41x = 3,579.75 × 924.86
  4. Step 4: Simplify right side
    2,387.41x = 3,310,767.59
  5. Step 5: Solve for x
    x = 3,310,767.59/2,387.41
  6. Step 6: Final answer
    x = 1,386.76

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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.