Home / 3,318.43-4,574.62-2,320.61

Finding the Fourth Proportional to 3,318.43, 4,574.62 and 2,320.61

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Solution

The fourth proportional to 3,318.43, 4,574.62 and 2,320.61 is: 3,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.43 : 4,574.62 = 2,320.61 : x
  2. Step 2: Convert to fraction form
    3,318.43/4,574.62 = 2,320.61/x
  3. Step 3: Cross multiply
    3,318.43x = 4,574.62 × 2,320.61
  4. Step 4: Simplify right side
    3,318.43x = 10,615,914.55
  5. Step 5: Solve for x
    x = 10,615,914.55/3,318.43
  6. Step 6: Final answer
    x = 3,199.08

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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.