Home / 2,253.81-3,108.54-1,939.59

Finding the Fourth Proportional to 2,253.81, 3,108.54 and 1,939.59

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Solution

The fourth proportional to 2,253.81, 3,108.54 and 1,939.59 is: 2,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.81 : 3,108.54 = 1,939.59 : x
  2. Step 2: Convert to fraction form
    2,253.81/3,108.54 = 1,939.59/x
  3. Step 3: Cross multiply
    2,253.81x = 3,108.54 × 1,939.59
  4. Step 4: Simplify right side
    2,253.81x = 6,029,283.40
  5. Step 5: Solve for x
    x = 6,029,283.40/2,253.81
  6. Step 6: Final answer
    x = 2,675.16

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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.