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Finding the Fourth Proportional to 3,574.94, 5,362.34 and 1,934.70

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Solution

The fourth proportional to 3,574.94, 5,362.34 and 1,934.70 is: 2,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.94 : 5,362.34 = 1,934.70 : x
  2. Step 2: Convert to fraction form
    3,574.94/5,362.34 = 1,934.70/x
  3. Step 3: Cross multiply
    3,574.94x = 5,362.34 × 1,934.70
  4. Step 4: Simplify right side
    3,574.94x = 10,374,519.20
  5. Step 5: Solve for x
    x = 10,374,519.20/3,574.94
  6. Step 6: Final answer
    x = 2,902.01

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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.