Home / 3,362.90-4,632.08-2,831.12

Finding the Fourth Proportional to 3,362.90, 4,632.08 and 2,831.12

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Solution

The fourth proportional to 3,362.90, 4,632.08 and 2,831.12 is: 3,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.90 : 4,632.08 = 2,831.12 : x
  2. Step 2: Convert to fraction form
    3,362.90/4,632.08 = 2,831.12/x
  3. Step 3: Cross multiply
    3,362.90x = 4,632.08 × 2,831.12
  4. Step 4: Simplify right side
    3,362.90x = 13,113,974.33
  5. Step 5: Solve for x
    x = 13,113,974.33/3,362.90
  6. Step 6: Final answer
    x = 3,899.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.