Home / 2,560.74-3,831.12-1,946.22

Finding the Fourth Proportional to 2,560.74, 3,831.12 and 1,946.22

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Solution

The fourth proportional to 2,560.74, 3,831.12 and 1,946.22 is: 2,911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.74 : 3,831.12 = 1,946.22 : x
  2. Step 2: Convert to fraction form
    2,560.74/3,831.12 = 1,946.22/x
  3. Step 3: Cross multiply
    2,560.74x = 3,831.12 × 1,946.22
  4. Step 4: Simplify right side
    2,560.74x = 7,456,202.37
  5. Step 5: Solve for x
    x = 7,456,202.37/2,560.74
  6. Step 6: Final answer
    x = 2,911.74

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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.