Home / 2,291.25-3,434.98-1,057.08

Finding the Fourth Proportional to 2,291.25, 3,434.98 and 1,057.08

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Solution

The fourth proportional to 2,291.25, 3,434.98 and 1,057.08 is: 1,584.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.25 : 3,434.98 = 1,057.08 : x
  2. Step 2: Convert to fraction form
    2,291.25/3,434.98 = 1,057.08/x
  3. Step 3: Cross multiply
    2,291.25x = 3,434.98 × 1,057.08
  4. Step 4: Simplify right side
    2,291.25x = 3,631,048.66
  5. Step 5: Solve for x
    x = 3,631,048.66/2,291.25
  6. Step 6: Final answer
    x = 1,584.75

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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.