Home / 3,062.06-4,225.52-1,664.78

Finding the Fourth Proportional to 3,062.06, 4,225.52 and 1,664.78

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Solution

The fourth proportional to 3,062.06, 4,225.52 and 1,664.78 is: 2,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.06 : 4,225.52 = 1,664.78 : x
  2. Step 2: Convert to fraction form
    3,062.06/4,225.52 = 1,664.78/x
  3. Step 3: Cross multiply
    3,062.06x = 4,225.52 × 1,664.78
  4. Step 4: Simplify right side
    3,062.06x = 7,034,561.19
  5. Step 5: Solve for x
    x = 7,034,561.19/3,062.06
  6. Step 6: Final answer
    x = 2,297.33

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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.