Home / 2,687.84-4,030.19-1,042.46

Finding the Fourth Proportional to 2,687.84, 4,030.19 and 1,042.46

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Solution

The fourth proportional to 2,687.84, 4,030.19 and 1,042.46 is: 1,563.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.84 : 4,030.19 = 1,042.46 : x
  2. Step 2: Convert to fraction form
    2,687.84/4,030.19 = 1,042.46/x
  3. Step 3: Cross multiply
    2,687.84x = 4,030.19 × 1,042.46
  4. Step 4: Simplify right side
    2,687.84x = 4,201,286.50
  5. Step 5: Solve for x
    x = 4,201,286.50/2,687.84
  6. Step 6: Final answer
    x = 1,563.07

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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.