Home / 3,581.25-5,345.71-3,317.45

Finding the Fourth Proportional to 3,581.25, 5,345.71 and 3,317.45

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Solution

The fourth proportional to 3,581.25, 5,345.71 and 3,317.45 is: 4,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.25 : 5,345.71 = 3,317.45 : x
  2. Step 2: Convert to fraction form
    3,581.25/5,345.71 = 3,317.45/x
  3. Step 3: Cross multiply
    3,581.25x = 5,345.71 × 3,317.45
  4. Step 4: Simplify right side
    3,581.25x = 17,734,090.62
  5. Step 5: Solve for x
    x = 17,734,090.62/3,581.25
  6. Step 6: Final answer
    x = 4,951.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.