Home / 2,810.41-4,215.82-1,079.03

Finding the Fourth Proportional to 2,810.41, 4,215.82 and 1,079.03

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Solution

The fourth proportional to 2,810.41, 4,215.82 and 1,079.03 is: 1,618.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.41 : 4,215.82 = 1,079.03 : x
  2. Step 2: Convert to fraction form
    2,810.41/4,215.82 = 1,079.03/x
  3. Step 3: Cross multiply
    2,810.41x = 4,215.82 × 1,079.03
  4. Step 4: Simplify right side
    2,810.41x = 4,549,001.40
  5. Step 5: Solve for x
    x = 4,549,001.40/2,810.41
  6. Step 6: Final answer
    x = 1,618.63

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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.