Home / 3,881.98-5,357.20-2,203.36

Finding the Fourth Proportional to 3,881.98, 5,357.20 and 2,203.36

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Solution

The fourth proportional to 3,881.98, 5,357.20 and 2,203.36 is: 3,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.98 : 5,357.20 = 2,203.36 : x
  2. Step 2: Convert to fraction form
    3,881.98/5,357.20 = 2,203.36/x
  3. Step 3: Cross multiply
    3,881.98x = 5,357.20 × 2,203.36
  4. Step 4: Simplify right side
    3,881.98x = 11,803,840.19
  5. Step 5: Solve for x
    x = 11,803,840.19/3,881.98
  6. Step 6: Final answer
    x = 3,040.68

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1.5x scale

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.