Home / 3,158.45-4,362.52-2,167.01

Finding the Fourth Proportional to 3,158.45, 4,362.52 and 2,167.01

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Solution

The fourth proportional to 3,158.45, 4,362.52 and 2,167.01 is: 2,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.45 : 4,362.52 = 2,167.01 : x
  2. Step 2: Convert to fraction form
    3,158.45/4,362.52 = 2,167.01/x
  3. Step 3: Cross multiply
    3,158.45x = 4,362.52 × 2,167.01
  4. Step 4: Simplify right side
    3,158.45x = 9,453,624.47
  5. Step 5: Solve for x
    x = 9,453,624.47/3,158.45
  6. Step 6: Final answer
    x = 2,993.12

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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.