Home / 2,781.84-4,174.38-1,050.60

Finding the Fourth Proportional to 2,781.84, 4,174.38 and 1,050.60

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Solution

The fourth proportional to 2,781.84, 4,174.38 and 1,050.60 is: 1,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781.84 : 4,174.38 = 1,050.60 : x
  2. Step 2: Convert to fraction form
    2,781.84/4,174.38 = 1,050.60/x
  3. Step 3: Cross multiply
    2,781.84x = 4,174.38 × 1,050.60
  4. Step 4: Simplify right side
    2,781.84x = 4,385,603.63
  5. Step 5: Solve for x
    x = 4,385,603.63/2,781.84
  6. Step 6: Final answer
    x = 1,576.51

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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.