Home / 3,060.72-4,591.80-1,891.08

Finding the Fourth Proportional to 3,060.72, 4,591.80 and 1,891.08

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Solution

The fourth proportional to 3,060.72, 4,591.80 and 1,891.08 is: 2,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.72 : 4,591.80 = 1,891.08 : x
  2. Step 2: Convert to fraction form
    3,060.72/4,591.80 = 1,891.08/x
  3. Step 3: Cross multiply
    3,060.72x = 4,591.80 × 1,891.08
  4. Step 4: Simplify right side
    3,060.72x = 8,683,461.14
  5. Step 5: Solve for x
    x = 8,683,461.14/3,060.72
  6. Step 6: Final answer
    x = 2,837.06

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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.