Home / 2,940.12-4,419.36-1,851.48

Finding the Fourth Proportional to 2,940.12, 4,419.36 and 1,851.48

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Solution

The fourth proportional to 2,940.12, 4,419.36 and 1,851.48 is: 2,783.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.12 : 4,419.36 = 1,851.48 : x
  2. Step 2: Convert to fraction form
    2,940.12/4,419.36 = 1,851.48/x
  3. Step 3: Cross multiply
    2,940.12x = 4,419.36 × 1,851.48
  4. Step 4: Simplify right side
    2,940.12x = 8,182,356.65
  5. Step 5: Solve for x
    x = 8,182,356.65/2,940.12
  6. Step 6: Final answer
    x = 2,783.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.