Home / 2,261.32-3,393-1,439.38

Finding the Fourth Proportional to 2,261.32, 3,393 and 1,439.38

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Solution

The fourth proportional to 2,261.32, 3,393 and 1,439.38 is: 2,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.32 : 3,393 = 1,439.38 : x
  2. Step 2: Convert to fraction form
    2,261.32/3,393 = 1,439.38/x
  3. Step 3: Cross multiply
    2,261.32x = 3,393 × 1,439.38
  4. Step 4: Simplify right side
    2,261.32x = 4,883,816.34
  5. Step 5: Solve for x
    x = 4,883,816.34/2,261.32
  6. Step 6: Final answer
    x = 2,159.72

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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.