Home / 3,012.22-4,156.87-1,685.92

Finding the Fourth Proportional to 3,012.22, 4,156.87 and 1,685.92

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Solution

The fourth proportional to 3,012.22, 4,156.87 and 1,685.92 is: 2,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.22 : 4,156.87 = 1,685.92 : x
  2. Step 2: Convert to fraction form
    3,012.22/4,156.87 = 1,685.92/x
  3. Step 3: Cross multiply
    3,012.22x = 4,156.87 × 1,685.92
  4. Step 4: Simplify right side
    3,012.22x = 7,008,129.49
  5. Step 5: Solve for x
    x = 7,008,129.49/3,012.22
  6. Step 6: Final answer
    x = 2,326.57

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1.5x scale

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.