Home / 2,700.10-4,043.67-1,831.78

Finding the Fourth Proportional to 2,700.10, 4,043.67 and 1,831.78

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Solution

The fourth proportional to 2,700.10, 4,043.67 and 1,831.78 is: 2,743.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.10 : 4,043.67 = 1,831.78 : x
  2. Step 2: Convert to fraction form
    2,700.10/4,043.67 = 1,831.78/x
  3. Step 3: Cross multiply
    2,700.10x = 4,043.67 × 1,831.78
  4. Step 4: Simplify right side
    2,700.10x = 7,407,113.83
  5. Step 5: Solve for x
    x = 7,407,113.83/2,700.10
  6. Step 6: Final answer
    x = 2,743.27

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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.