Home / 2,927.85-4,040.46-1,881.75

Finding the Fourth Proportional to 2,927.85, 4,040.46 and 1,881.75

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Solution

The fourth proportional to 2,927.85, 4,040.46 and 1,881.75 is: 2,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.85 : 4,040.46 = 1,881.75 : x
  2. Step 2: Convert to fraction form
    2,927.85/4,040.46 = 1,881.75/x
  3. Step 3: Cross multiply
    2,927.85x = 4,040.46 × 1,881.75
  4. Step 4: Simplify right side
    2,927.85x = 7,603,135.61
  5. Step 5: Solve for x
    x = 7,603,135.61/2,927.85
  6. Step 6: Final answer
    x = 2,596.83

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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.