Home / 2,813.03-4,218.69-1,058.29

Finding the Fourth Proportional to 2,813.03, 4,218.69 and 1,058.29

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Solution

The fourth proportional to 2,813.03, 4,218.69 and 1,058.29 is: 1,587.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.03 : 4,218.69 = 1,058.29 : x
  2. Step 2: Convert to fraction form
    2,813.03/4,218.69 = 1,058.29/x
  3. Step 3: Cross multiply
    2,813.03x = 4,218.69 × 1,058.29
  4. Step 4: Simplify right side
    2,813.03x = 4,464,584.91
  5. Step 5: Solve for x
    x = 4,464,584.91/2,813.03
  6. Step 6: Final answer
    x = 1,587.11

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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.