Home / 1,838.46-2,537.08-999.17

Finding the Fourth Proportional to 1,838.46, 2,537.08 and 999.17

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Solution

The fourth proportional to 1,838.46, 2,537.08 and 999.17 is: 1,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.46 : 2,537.08 = 999.17 : x
  2. Step 2: Convert to fraction form
    1,838.46/2,537.08 = 999.17/x
  3. Step 3: Cross multiply
    1,838.46x = 2,537.08 × 999.17
  4. Step 4: Simplify right side
    1,838.46x = 2,534,959.04
  5. Step 5: Solve for x
    x = 2,534,959.04/1,838.46
  6. Step 6: Final answer
    x = 1,378.85

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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.