Home / 3,501.38-4,831.92-1,929.49

Finding the Fourth Proportional to 3,501.38, 4,831.92 and 1,929.49

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Solution

The fourth proportional to 3,501.38, 4,831.92 and 1,929.49 is: 2,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.38 : 4,831.92 = 1,929.49 : x
  2. Step 2: Convert to fraction form
    3,501.38/4,831.92 = 1,929.49/x
  3. Step 3: Cross multiply
    3,501.38x = 4,831.92 × 1,929.49
  4. Step 4: Simplify right side
    3,501.38x = 9,323,129.24
  5. Step 5: Solve for x
    x = 9,323,129.24/3,501.38
  6. Step 6: Final answer
    x = 2,662.70

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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.