Home / 3,058.56-4,219.76-2,011.28

Finding the Fourth Proportional to 3,058.56, 4,219.76 and 2,011.28

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Solution

The fourth proportional to 3,058.56, 4,219.76 and 2,011.28 is: 2,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.56 : 4,219.76 = 2,011.28 : x
  2. Step 2: Convert to fraction form
    3,058.56/4,219.76 = 2,011.28/x
  3. Step 3: Cross multiply
    3,058.56x = 4,219.76 × 2,011.28
  4. Step 4: Simplify right side
    3,058.56x = 8,487,118.89
  5. Step 5: Solve for x
    x = 8,487,118.89/3,058.56
  6. Step 6: Final answer
    x = 2,774.87

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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.