Home / 3,474.74-5,212.70-1,283.48

Finding the Fourth Proportional to 3,474.74, 5,212.70 and 1,283.48

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Solution

The fourth proportional to 3,474.74, 5,212.70 and 1,283.48 is: 1,925.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.74 : 5,212.70 = 1,283.48 : x
  2. Step 2: Convert to fraction form
    3,474.74/5,212.70 = 1,283.48/x
  3. Step 3: Cross multiply
    3,474.74x = 5,212.70 × 1,283.48
  4. Step 4: Simplify right side
    3,474.74x = 6,690,363.72
  5. Step 5: Solve for x
    x = 6,690,363.72/3,474.74
  6. Step 6: Final answer
    x = 1,925.43

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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.