Home / 2,929.93-4,040.23-1,933.90

Finding the Fourth Proportional to 2,929.93, 4,040.23 and 1,933.90

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Solution

The fourth proportional to 2,929.93, 4,040.23 and 1,933.90 is: 2,666.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.93 : 4,040.23 = 1,933.90 : x
  2. Step 2: Convert to fraction form
    2,929.93/4,040.23 = 1,933.90/x
  3. Step 3: Cross multiply
    2,929.93x = 4,040.23 × 1,933.90
  4. Step 4: Simplify right side
    2,929.93x = 7,813,370.93
  5. Step 5: Solve for x
    x = 7,813,370.93/2,929.93
  6. Step 6: Final answer
    x = 2,666.75

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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.