Home / 2,796.22-4,191.63-2,555.65

Finding the Fourth Proportional to 2,796.22, 4,191.63 and 2,555.65

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Solution

The fourth proportional to 2,796.22, 4,191.63 and 2,555.65 is: 3,831.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.22 : 4,191.63 = 2,555.65 : x
  2. Step 2: Convert to fraction form
    2,796.22/4,191.63 = 2,555.65/x
  3. Step 3: Cross multiply
    2,796.22x = 4,191.63 × 2,555.65
  4. Step 4: Simplify right side
    2,796.22x = 10,712,339.21
  5. Step 5: Solve for x
    x = 10,712,339.21/2,796.22
  6. Step 6: Final answer
    x = 3,831.01

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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.