Home / 3,316.44-4,572.54-2,789.40

Finding the Fourth Proportional to 3,316.44, 4,572.54 and 2,789.40

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Solution

The fourth proportional to 3,316.44, 4,572.54 and 2,789.40 is: 3,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.44 : 4,572.54 = 2,789.40 : x
  2. Step 2: Convert to fraction form
    3,316.44/4,572.54 = 2,789.40/x
  3. Step 3: Cross multiply
    3,316.44x = 4,572.54 × 2,789.40
  4. Step 4: Simplify right side
    3,316.44x = 12,754,643.08
  5. Step 5: Solve for x
    x = 12,754,643.08/3,316.44
  6. Step 6: Final answer
    x = 3,845.88

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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.