Home / 3,907.50-5,860.02-2,151.84

Finding the Fourth Proportional to 3,907.50, 5,860.02 and 2,151.84

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Solution

The fourth proportional to 3,907.50, 5,860.02 and 2,151.84 is: 3,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.50 : 5,860.02 = 2,151.84 : x
  2. Step 2: Convert to fraction form
    3,907.50/5,860.02 = 2,151.84/x
  3. Step 3: Cross multiply
    3,907.50x = 5,860.02 × 2,151.84
  4. Step 4: Simplify right side
    3,907.50x = 12,609,825.44
  5. Step 5: Solve for x
    x = 12,609,825.44/3,907.50
  6. Step 6: Final answer
    x = 3,227.08

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1.5x scale

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.