Home / 2,219.43-3,060.42-1,511.39

Finding the Fourth Proportional to 2,219.43, 3,060.42 and 1,511.39

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Solution

The fourth proportional to 2,219.43, 3,060.42 and 1,511.39 is: 2,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.43 : 3,060.42 = 1,511.39 : x
  2. Step 2: Convert to fraction form
    2,219.43/3,060.42 = 1,511.39/x
  3. Step 3: Cross multiply
    2,219.43x = 3,060.42 × 1,511.39
  4. Step 4: Simplify right side
    2,219.43x = 4,625,490.17
  5. Step 5: Solve for x
    x = 4,625,490.17/2,219.43
  6. Step 6: Final answer
    x = 2,084.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.