Home / 3,318.17-4,569.62-3,308.14

Finding the Fourth Proportional to 3,318.17, 4,569.62 and 3,308.14

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Solution

The fourth proportional to 3,318.17, 4,569.62 and 3,308.14 is: 4,555.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.17 : 4,569.62 = 3,308.14 : x
  2. Step 2: Convert to fraction form
    3,318.17/4,569.62 = 3,308.14/x
  3. Step 3: Cross multiply
    3,318.17x = 4,569.62 × 3,308.14
  4. Step 4: Simplify right side
    3,318.17x = 15,116,931.88
  5. Step 5: Solve for x
    x = 15,116,931.88/3,318.17
  6. Step 6: Final answer
    x = 4,555.81

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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.