Home / 2,853.14-3,936.75-1,658.10

Finding the Fourth Proportional to 2,853.14, 3,936.75 and 1,658.10

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Solution

The fourth proportional to 2,853.14, 3,936.75 and 1,658.10 is: 2,287.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.14 : 3,936.75 = 1,658.10 : x
  2. Step 2: Convert to fraction form
    2,853.14/3,936.75 = 1,658.10/x
  3. Step 3: Cross multiply
    2,853.14x = 3,936.75 × 1,658.10
  4. Step 4: Simplify right side
    2,853.14x = 6,527,525.18
  5. Step 5: Solve for x
    x = 6,527,525.18/2,853.14
  6. Step 6: Final answer
    x = 2,287.84

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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.