Home / 3,014.47-4,187.85-2,987.43

Finding the Fourth Proportional to 3,014.47, 4,187.85 and 2,987.43

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Solution

The fourth proportional to 3,014.47, 4,187.85 and 2,987.43 is: 4,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.47 : 4,187.85 = 2,987.43 : x
  2. Step 2: Convert to fraction form
    3,014.47/4,187.85 = 2,987.43/x
  3. Step 3: Cross multiply
    3,014.47x = 4,187.85 × 2,987.43
  4. Step 4: Simplify right side
    3,014.47x = 12,510,922.18
  5. Step 5: Solve for x
    x = 12,510,922.18/3,014.47
  6. Step 6: Final answer
    x = 4,150.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.