Home / 3,548.85-4,891.28-2,663.11

Finding the Fourth Proportional to 3,548.85, 4,891.28 and 2,663.11

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Solution

The fourth proportional to 3,548.85, 4,891.28 and 2,663.11 is: 3,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.85 : 4,891.28 = 2,663.11 : x
  2. Step 2: Convert to fraction form
    3,548.85/4,891.28 = 2,663.11/x
  3. Step 3: Cross multiply
    3,548.85x = 4,891.28 × 2,663.11
  4. Step 4: Simplify right side
    3,548.85x = 13,026,016.68
  5. Step 5: Solve for x
    x = 13,026,016.68/3,548.85
  6. Step 6: Final answer
    x = 3,670.49

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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.