Home / 2,345.31-3,511.80-2,276.01

Finding the Fourth Proportional to 2,345.31, 3,511.80 and 2,276.01

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Solution

The fourth proportional to 2,345.31, 3,511.80 and 2,276.01 is: 3,408.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.31 : 3,511.80 = 2,276.01 : x
  2. Step 2: Convert to fraction form
    2,345.31/3,511.80 = 2,276.01/x
  3. Step 3: Cross multiply
    2,345.31x = 3,511.80 × 2,276.01
  4. Step 4: Simplify right side
    2,345.31x = 7,992,891.92
  5. Step 5: Solve for x
    x = 7,992,891.92/2,345.31
  6. Step 6: Final answer
    x = 3,408.03

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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.