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Finding the Fourth Proportional to 2,849.36, 4,274.19 and 901.42

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Solution

The fourth proportional to 2,849.36, 4,274.19 and 901.42 is: 1,352.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.36 : 4,274.19 = 901.42 : x
  2. Step 2: Convert to fraction form
    2,849.36/4,274.19 = 901.42/x
  3. Step 3: Cross multiply
    2,849.36x = 4,274.19 × 901.42
  4. Step 4: Simplify right side
    2,849.36x = 3,852,829.66
  5. Step 5: Solve for x
    x = 3,852,829.66/2,849.36
  6. Step 6: Final answer
    x = 1,352.18

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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.