Home / 2,923.47-4,034.70-1,664.60

Finding the Fourth Proportional to 2,923.47, 4,034.70 and 1,664.60

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Solution

The fourth proportional to 2,923.47, 4,034.70 and 1,664.60 is: 2,297.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.47 : 4,034.70 = 1,664.60 : x
  2. Step 2: Convert to fraction form
    2,923.47/4,034.70 = 1,664.60/x
  3. Step 3: Cross multiply
    2,923.47x = 4,034.70 × 1,664.60
  4. Step 4: Simplify right side
    2,923.47x = 6,716,141.45
  5. Step 5: Solve for x
    x = 6,716,141.45/2,923.47
  6. Step 6: Final answer
    x = 2,297.32

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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.