Home / 2,917.04-4,370.69-2,049.80

Finding the Fourth Proportional to 2,917.04, 4,370.69 and 2,049.80

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Solution

The fourth proportional to 2,917.04, 4,370.69 and 2,049.80 is: 3,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.04 : 4,370.69 = 2,049.80 : x
  2. Step 2: Convert to fraction form
    2,917.04/4,370.69 = 2,049.80/x
  3. Step 3: Cross multiply
    2,917.04x = 4,370.69 × 2,049.80
  4. Step 4: Simplify right side
    2,917.04x = 8,959,040.36
  5. Step 5: Solve for x
    x = 8,959,040.36/2,917.04
  6. Step 6: Final answer
    x = 3,071.28

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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.