Home / 3,500.96-4,831.35-1,929.08

Finding the Fourth Proportional to 3,500.96, 4,831.35 and 1,929.08

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Solution

The fourth proportional to 3,500.96, 4,831.35 and 1,929.08 is: 2,662.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.96 : 4,831.35 = 1,929.08 : x
  2. Step 2: Convert to fraction form
    3,500.96/4,831.35 = 1,929.08/x
  3. Step 3: Cross multiply
    3,500.96x = 4,831.35 × 1,929.08
  4. Step 4: Simplify right side
    3,500.96x = 9,320,060.66
  5. Step 5: Solve for x
    x = 9,320,060.66/3,500.96
  6. Step 6: Final answer
    x = 2,662.14

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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.