Home / 3,437.37-5,143.73-2,976.72

Finding the Fourth Proportional to 3,437.37, 5,143.73 and 2,976.72

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Solution

The fourth proportional to 3,437.37, 5,143.73 and 2,976.72 is: 4,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.37 : 5,143.73 = 2,976.72 : x
  2. Step 2: Convert to fraction form
    3,437.37/5,143.73 = 2,976.72/x
  3. Step 3: Cross multiply
    3,437.37x = 5,143.73 × 2,976.72
  4. Step 4: Simplify right side
    3,437.37x = 15,311,429.08
  5. Step 5: Solve for x
    x = 15,311,429.08/3,437.37
  6. Step 6: Final answer
    x = 4,454.40

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1.5x scale

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.