Home / 3,290.31-4,926.56-2,699.01

Finding the Fourth Proportional to 3,290.31, 4,926.56 and 2,699.01

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Solution

The fourth proportional to 3,290.31, 4,926.56 and 2,699.01 is: 4,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.31 : 4,926.56 = 2,699.01 : x
  2. Step 2: Convert to fraction form
    3,290.31/4,926.56 = 2,699.01/x
  3. Step 3: Cross multiply
    3,290.31x = 4,926.56 × 2,699.01
  4. Step 4: Simplify right side
    3,290.31x = 13,296,821.21
  5. Step 5: Solve for x
    x = 13,296,821.21/3,290.31
  6. Step 6: Final answer
    x = 4,041.21

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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.