Home / 2,865.56-4,298.36-1,891.44

Finding the Fourth Proportional to 2,865.56, 4,298.36 and 1,891.44

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Solution

The fourth proportional to 2,865.56, 4,298.36 and 1,891.44 is: 2,837.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.56 : 4,298.36 = 1,891.44 : x
  2. Step 2: Convert to fraction form
    2,865.56/4,298.36 = 1,891.44/x
  3. Step 3: Cross multiply
    2,865.56x = 4,298.36 × 1,891.44
  4. Step 4: Simplify right side
    2,865.56x = 8,130,080.58
  5. Step 5: Solve for x
    x = 8,130,080.58/2,865.56
  6. Step 6: Final answer
    x = 2,837.17

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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.