Home / 2,860.63-3,948.18-2,076.95

Finding the Fourth Proportional to 2,860.63, 3,948.18 and 2,076.95

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Solution

The fourth proportional to 2,860.63, 3,948.18 and 2,076.95 is: 2,866.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.63 : 3,948.18 = 2,076.95 : x
  2. Step 2: Convert to fraction form
    2,860.63/3,948.18 = 2,076.95/x
  3. Step 3: Cross multiply
    2,860.63x = 3,948.18 × 2,076.95
  4. Step 4: Simplify right side
    2,860.63x = 8,200,174.53
  5. Step 5: Solve for x
    x = 8,200,174.53/2,860.63
  6. Step 6: Final answer
    x = 2,866.56

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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.