Home / 3,370.64-5,056.97-1,521.23

Finding the Fourth Proportional to 3,370.64, 5,056.97 and 1,521.23

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Solution

The fourth proportional to 3,370.64, 5,056.97 and 1,521.23 is: 2,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.64 : 5,056.97 = 1,521.23 : x
  2. Step 2: Convert to fraction form
    3,370.64/5,056.97 = 1,521.23/x
  3. Step 3: Cross multiply
    3,370.64x = 5,056.97 × 1,521.23
  4. Step 4: Simplify right side
    3,370.64x = 7,692,781.58
  5. Step 5: Solve for x
    x = 7,692,781.58/3,370.64
  6. Step 6: Final answer
    x = 2,282.29

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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.