Home / 2,810.34-4,212.27-2,079.32

Finding the Fourth Proportional to 2,810.34, 4,212.27 and 2,079.32

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Solution

The fourth proportional to 2,810.34, 4,212.27 and 2,079.32 is: 3,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.34 : 4,212.27 = 2,079.32 : x
  2. Step 2: Convert to fraction form
    2,810.34/4,212.27 = 2,079.32/x
  3. Step 3: Cross multiply
    2,810.34x = 4,212.27 × 2,079.32
  4. Step 4: Simplify right side
    2,810.34x = 8,758,636.20
  5. Step 5: Solve for x
    x = 8,758,636.20/2,810.34
  6. Step 6: Final answer
    x = 3,116.58

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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.