Home / 2,786.90-4,180.40-1,032.06

Finding the Fourth Proportional to 2,786.90, 4,180.40 and 1,032.06

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Solution

The fourth proportional to 2,786.90, 4,180.40 and 1,032.06 is: 1,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.90 : 4,180.40 = 1,032.06 : x
  2. Step 2: Convert to fraction form
    2,786.90/4,180.40 = 1,032.06/x
  3. Step 3: Cross multiply
    2,786.90x = 4,180.40 × 1,032.06
  4. Step 4: Simplify right side
    2,786.90x = 4,314,423.62
  5. Step 5: Solve for x
    x = 4,314,423.62/2,786.90
  6. Step 6: Final answer
    x = 1,548.11

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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.