Home / 2,923.81-4,034.74-1,664.69

Finding the Fourth Proportional to 2,923.81, 4,034.74 and 1,664.69

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Solution

The fourth proportional to 2,923.81, 4,034.74 and 1,664.69 is: 2,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.81 : 4,034.74 = 1,664.69 : x
  2. Step 2: Convert to fraction form
    2,923.81/4,034.74 = 1,664.69/x
  3. Step 3: Cross multiply
    2,923.81x = 4,034.74 × 1,664.69
  4. Step 4: Simplify right side
    2,923.81x = 6,716,591.33
  5. Step 5: Solve for x
    x = 6,716,591.33/2,923.81
  6. Step 6: Final answer
    x = 2,297.21

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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.