Home / 1,924.57-2,655.90-1,040.37

Finding the Fourth Proportional to 1,924.57, 2,655.90 and 1,040.37

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Solution

The fourth proportional to 1,924.57, 2,655.90 and 1,040.37 is: 1,435.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.57 : 2,655.90 = 1,040.37 : x
  2. Step 2: Convert to fraction form
    1,924.57/2,655.90 = 1,040.37/x
  3. Step 3: Cross multiply
    1,924.57x = 2,655.90 × 1,040.37
  4. Step 4: Simplify right side
    1,924.57x = 2,763,118.68
  5. Step 5: Solve for x
    x = 2,763,118.68/1,924.57
  6. Step 6: Final answer
    x = 1,435.71

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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.