Home / 3,071.80-4,606.98-2,097.64

Finding the Fourth Proportional to 3,071.80, 4,606.98 and 2,097.64

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Solution

The fourth proportional to 3,071.80, 4,606.98 and 2,097.64 is: 3,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.80 : 4,606.98 = 2,097.64 : x
  2. Step 2: Convert to fraction form
    3,071.80/4,606.98 = 2,097.64/x
  3. Step 3: Cross multiply
    3,071.80x = 4,606.98 × 2,097.64
  4. Step 4: Simplify right side
    3,071.80x = 9,663,785.53
  5. Step 5: Solve for x
    x = 9,663,785.53/3,071.80
  6. Step 6: Final answer
    x = 3,145.97

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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.