Home / 3,881.61-5,356.95-2,203.53

Finding the Fourth Proportional to 3,881.61, 5,356.95 and 2,203.53

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Solution

The fourth proportional to 3,881.61, 5,356.95 and 2,203.53 is: 3,041.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.61 : 5,356.95 = 2,203.53 : x
  2. Step 2: Convert to fraction form
    3,881.61/5,356.95 = 2,203.53/x
  3. Step 3: Cross multiply
    3,881.61x = 5,356.95 × 2,203.53
  4. Step 4: Simplify right side
    3,881.61x = 11,804,200.03
  5. Step 5: Solve for x
    x = 11,804,200.03/3,881.61
  6. Step 6: Final answer
    x = 3,041.06

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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.