Home / 3,501-4,831.26-1,929

Finding the Fourth Proportional to 3,501, 4,831.26 and 1,929

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Solution

The fourth proportional to 3,501, 4,831.26 and 1,929 is: 2,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501 : 4,831.26 = 1,929 : x
  2. Step 2: Convert to fraction form
    3,501/4,831.26 = 1,929/x
  3. Step 3: Cross multiply
    3,501x = 4,831.26 × 1,929
  4. Step 4: Simplify right side
    3,501x = 9,319,500.54
  5. Step 5: Solve for x
    x = 9,319,500.54/3,501
  6. Step 6: Final answer
    x = 2,661.95

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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.