Home / 2,810.57-4,207.66-1,976.55

Finding the Fourth Proportional to 2,810.57, 4,207.66 and 1,976.55

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Solution

The fourth proportional to 2,810.57, 4,207.66 and 1,976.55 is: 2,959.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.57 : 4,207.66 = 1,976.55 : x
  2. Step 2: Convert to fraction form
    2,810.57/4,207.66 = 1,976.55/x
  3. Step 3: Cross multiply
    2,810.57x = 4,207.66 × 1,976.55
  4. Step 4: Simplify right side
    2,810.57x = 8,316,664.44
  5. Step 5: Solve for x
    x = 8,316,664.44/2,810.57
  6. Step 6: Final answer
    x = 2,959.07

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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.