Home / 3,392.32-5,088.64-1,201.28

Finding the Fourth Proportional to 3,392.32, 5,088.64 and 1,201.28

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Solution

The fourth proportional to 3,392.32, 5,088.64 and 1,201.28 is: 1,801.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.32 : 5,088.64 = 1,201.28 : x
  2. Step 2: Convert to fraction form
    3,392.32/5,088.64 = 1,201.28/x
  3. Step 3: Cross multiply
    3,392.32x = 5,088.64 × 1,201.28
  4. Step 4: Simplify right side
    3,392.32x = 6,112,881.46
  5. Step 5: Solve for x
    x = 6,112,881.46/3,392.32
  6. Step 6: Final answer
    x = 1,801.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.