Home / 1,824.65-2,517.98-1,038.68

Finding the Fourth Proportional to 1,824.65, 2,517.98 and 1,038.68

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Solution

The fourth proportional to 1,824.65, 2,517.98 and 1,038.68 is: 1,433.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.65 : 2,517.98 = 1,038.68 : x
  2. Step 2: Convert to fraction form
    1,824.65/2,517.98 = 1,038.68/x
  3. Step 3: Cross multiply
    1,824.65x = 2,517.98 × 1,038.68
  4. Step 4: Simplify right side
    1,824.65x = 2,615,375.47
  5. Step 5: Solve for x
    x = 2,615,375.47/1,824.65
  6. Step 6: Final answer
    x = 1,433.36

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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.