Home / 2,802.16-4,201.56-2,391.44

Finding the Fourth Proportional to 2,802.16, 4,201.56 and 2,391.44

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Solution

The fourth proportional to 2,802.16, 4,201.56 and 2,391.44 is: 3,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.16 : 4,201.56 = 2,391.44 : x
  2. Step 2: Convert to fraction form
    2,802.16/4,201.56 = 2,391.44/x
  3. Step 3: Cross multiply
    2,802.16x = 4,201.56 × 2,391.44
  4. Step 4: Simplify right side
    2,802.16x = 10,047,778.65
  5. Step 5: Solve for x
    x = 10,047,778.65/2,802.16
  6. Step 6: Final answer
    x = 3,585.73

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1.5x scale

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.