Home / 4,240.78-5,852.31-2,377.78

Finding the Fourth Proportional to 4,240.78, 5,852.31 and 2,377.78

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Solution

The fourth proportional to 4,240.78, 5,852.31 and 2,377.78 is: 3,281.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.78 : 5,852.31 = 2,377.78 : x
  2. Step 2: Convert to fraction form
    4,240.78/5,852.31 = 2,377.78/x
  3. Step 3: Cross multiply
    4,240.78x = 5,852.31 × 2,377.78
  4. Step 4: Simplify right side
    4,240.78x = 13,915,505.67
  5. Step 5: Solve for x
    x = 13,915,505.67/4,240.78
  6. Step 6: Final answer
    x = 3,281.36

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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.