Home / 2,425.77-3,638.66-1,936.53

Finding the Fourth Proportional to 2,425.77, 3,638.66 and 1,936.53

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Solution

The fourth proportional to 2,425.77, 3,638.66 and 1,936.53 is: 2,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.77 : 3,638.66 = 1,936.53 : x
  2. Step 2: Convert to fraction form
    2,425.77/3,638.66 = 1,936.53/x
  3. Step 3: Cross multiply
    2,425.77x = 3,638.66 × 1,936.53
  4. Step 4: Simplify right side
    2,425.77x = 7,046,364.57
  5. Step 5: Solve for x
    x = 7,046,364.57/2,425.77
  6. Step 6: Final answer
    x = 2,904.80

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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.