Home / 3,904.80-5,388.72-2,332.68

Finding the Fourth Proportional to 3,904.80, 5,388.72 and 2,332.68

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Solution

The fourth proportional to 3,904.80, 5,388.72 and 2,332.68 is: 3,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.80 : 5,388.72 = 2,332.68 : x
  2. Step 2: Convert to fraction form
    3,904.80/5,388.72 = 2,332.68/x
  3. Step 3: Cross multiply
    3,904.80x = 5,388.72 × 2,332.68
  4. Step 4: Simplify right side
    3,904.80x = 12,570,159.37
  5. Step 5: Solve for x
    x = 12,570,159.37/3,904.80
  6. Step 6: Final answer
    x = 3,219.16

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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.