Home / 1,839.02-2,537.84-999.71

Finding the Fourth Proportional to 1,839.02, 2,537.84 and 999.71

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Solution

The fourth proportional to 1,839.02, 2,537.84 and 999.71 is: 1,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.02 : 2,537.84 = 999.71 : x
  2. Step 2: Convert to fraction form
    1,839.02/2,537.84 = 999.71/x
  3. Step 3: Cross multiply
    1,839.02x = 2,537.84 × 999.71
  4. Step 4: Simplify right side
    1,839.02x = 2,537,086.34
  5. Step 5: Solve for x
    x = 2,537,086.34/1,839.02
  6. Step 6: Final answer
    x = 1,379.59

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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.