Home / 2,904.42-4,356.79-2,212.18

Finding the Fourth Proportional to 2,904.42, 4,356.79 and 2,212.18

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Solution

The fourth proportional to 2,904.42, 4,356.79 and 2,212.18 is: 3,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.42 : 4,356.79 = 2,212.18 : x
  2. Step 2: Convert to fraction form
    2,904.42/4,356.79 = 2,212.18/x
  3. Step 3: Cross multiply
    2,904.42x = 4,356.79 × 2,212.18
  4. Step 4: Simplify right side
    2,904.42x = 9,637,987.28
  5. Step 5: Solve for x
    x = 9,637,987.28/2,904.42
  6. Step 6: Final answer
    x = 3,318.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.