Home / 3,052.15-4,211.80-1,725.78

Finding the Fourth Proportional to 3,052.15, 4,211.80 and 1,725.78

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Solution

The fourth proportional to 3,052.15, 4,211.80 and 1,725.78 is: 2,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,052.15 : 4,211.80 = 1,725.78 : x
  2. Step 2: Convert to fraction form
    3,052.15/4,211.80 = 1,725.78/x
  3. Step 3: Cross multiply
    3,052.15x = 4,211.80 × 1,725.78
  4. Step 4: Simplify right side
    3,052.15x = 7,268,640.20
  5. Step 5: Solve for x
    x = 7,268,640.20/3,052.15
  6. Step 6: Final answer
    x = 2,381.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.