Home / 2,519.70-3,777.06-1,222.08

Finding the Fourth Proportional to 2,519.70, 3,777.06 and 1,222.08

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Solution

The fourth proportional to 2,519.70, 3,777.06 and 1,222.08 is: 1,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.70 : 3,777.06 = 1,222.08 : x
  2. Step 2: Convert to fraction form
    2,519.70/3,777.06 = 1,222.08/x
  3. Step 3: Cross multiply
    2,519.70x = 3,777.06 × 1,222.08
  4. Step 4: Simplify right side
    2,519.70x = 4,615,869.48
  5. Step 5: Solve for x
    x = 4,615,869.48/2,519.70
  6. Step 6: Final answer
    x = 1,831.91

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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.