Home / 3,156.08-4,353.06-2,316.50

Finding the Fourth Proportional to 3,156.08, 4,353.06 and 2,316.50

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Solution

The fourth proportional to 3,156.08, 4,353.06 and 2,316.50 is: 3,195.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.08 : 4,353.06 = 2,316.50 : x
  2. Step 2: Convert to fraction form
    3,156.08/4,353.06 = 2,316.50/x
  3. Step 3: Cross multiply
    3,156.08x = 4,353.06 × 2,316.50
  4. Step 4: Simplify right side
    3,156.08x = 10,083,863.49
  5. Step 5: Solve for x
    x = 10,083,863.49/3,156.08
  6. Step 6: Final answer
    x = 3,195.06

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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.