Home / 2,217.74-3,339.40-1,831.46

Finding the Fourth Proportional to 2,217.74, 3,339.40 and 1,831.46

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Solution

The fourth proportional to 2,217.74, 3,339.40 and 1,831.46 is: 2,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.74 : 3,339.40 = 1,831.46 : x
  2. Step 2: Convert to fraction form
    2,217.74/3,339.40 = 1,831.46/x
  3. Step 3: Cross multiply
    2,217.74x = 3,339.40 × 1,831.46
  4. Step 4: Simplify right side
    2,217.74x = 6,115,968.37
  5. Step 5: Solve for x
    x = 6,115,968.37/2,217.74
  6. Step 6: Final answer
    x = 2,757.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.