Home / 3,163.59-4,742.06-1,312.16

Finding the Fourth Proportional to 3,163.59, 4,742.06 and 1,312.16

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Solution

The fourth proportional to 3,163.59, 4,742.06 and 1,312.16 is: 1,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.59 : 4,742.06 = 1,312.16 : x
  2. Step 2: Convert to fraction form
    3,163.59/4,742.06 = 1,312.16/x
  3. Step 3: Cross multiply
    3,163.59x = 4,742.06 × 1,312.16
  4. Step 4: Simplify right side
    3,163.59x = 6,222,311.18
  5. Step 5: Solve for x
    x = 6,222,311.18/3,163.59
  6. Step 6: Final answer
    x = 1,966.85

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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.