Home / 3,152.51-4,728.35-1,072.43

Finding the Fourth Proportional to 3,152.51, 4,728.35 and 1,072.43

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Solution

The fourth proportional to 3,152.51, 4,728.35 and 1,072.43 is: 1,608.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.51 : 4,728.35 = 1,072.43 : x
  2. Step 2: Convert to fraction form
    3,152.51/4,728.35 = 1,072.43/x
  3. Step 3: Cross multiply
    3,152.51x = 4,728.35 × 1,072.43
  4. Step 4: Simplify right side
    3,152.51x = 5,070,795.39
  5. Step 5: Solve for x
    x = 5,070,795.39/3,152.51
  6. Step 6: Final answer
    x = 1,608.50

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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.