Home / 3,081.39-4,622.89-1,437.09

Finding the Fourth Proportional to 3,081.39, 4,622.89 and 1,437.09

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Solution

The fourth proportional to 3,081.39, 4,622.89 and 1,437.09 is: 2,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.39 : 4,622.89 = 1,437.09 : x
  2. Step 2: Convert to fraction form
    3,081.39/4,622.89 = 1,437.09/x
  3. Step 3: Cross multiply
    3,081.39x = 4,622.89 × 1,437.09
  4. Step 4: Simplify right side
    3,081.39x = 6,643,508.99
  5. Step 5: Solve for x
    x = 6,643,508.99/3,081.39
  6. Step 6: Final answer
    x = 2,156.01

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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.