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Finding the Fourth Proportional to 2,984.25, 4,477.36 and 904.33

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Solution

The fourth proportional to 2,984.25, 4,477.36 and 904.33 is: 1,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.25 : 4,477.36 = 904.33 : x
  2. Step 2: Convert to fraction form
    2,984.25/4,477.36 = 904.33/x
  3. Step 3: Cross multiply
    2,984.25x = 4,477.36 × 904.33
  4. Step 4: Simplify right side
    2,984.25x = 4,049,010.97
  5. Step 5: Solve for x
    x = 4,049,010.97/2,984.25
  6. Step 6: Final answer
    x = 1,356.79

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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.