Home / 2,831.32-4,246.98-1,099.94

Finding the Fourth Proportional to 2,831.32, 4,246.98 and 1,099.94

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Solution

The fourth proportional to 2,831.32, 4,246.98 and 1,099.94 is: 1,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.32 : 4,246.98 = 1,099.94 : x
  2. Step 2: Convert to fraction form
    2,831.32/4,246.98 = 1,099.94/x
  3. Step 3: Cross multiply
    2,831.32x = 4,246.98 × 1,099.94
  4. Step 4: Simplify right side
    2,831.32x = 4,671,433.80
  5. Step 5: Solve for x
    x = 4,671,433.80/2,831.32
  6. Step 6: Final answer
    x = 1,649.92

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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.