Home / 3,081.69-4,622.49-1,437.30

Finding the Fourth Proportional to 3,081.69, 4,622.49 and 1,437.30

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Solution

The fourth proportional to 3,081.69, 4,622.49 and 1,437.30 is: 2,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.69 : 4,622.49 = 1,437.30 : x
  2. Step 2: Convert to fraction form
    3,081.69/4,622.49 = 1,437.30/x
  3. Step 3: Cross multiply
    3,081.69x = 4,622.49 × 1,437.30
  4. Step 4: Simplify right side
    3,081.69x = 6,643,904.88
  5. Step 5: Solve for x
    x = 6,643,904.88/3,081.69
  6. Step 6: Final answer
    x = 2,155.93

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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.