Home / 2,212.84-3,319.98-1,058.68

Finding the Fourth Proportional to 2,212.84, 3,319.98 and 1,058.68

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Solution

The fourth proportional to 2,212.84, 3,319.98 and 1,058.68 is: 1,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.84 : 3,319.98 = 1,058.68 : x
  2. Step 2: Convert to fraction form
    2,212.84/3,319.98 = 1,058.68/x
  3. Step 3: Cross multiply
    2,212.84x = 3,319.98 × 1,058.68
  4. Step 4: Simplify right side
    2,212.84x = 3,514,796.43
  5. Step 5: Solve for x
    x = 3,514,796.43/2,212.84
  6. Step 6: Final answer
    x = 1,588.36

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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.