Home / 3,569.48-4,926.90-2,172.68

Finding the Fourth Proportional to 3,569.48, 4,926.90 and 2,172.68

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Solution

The fourth proportional to 3,569.48, 4,926.90 and 2,172.68 is: 2,998.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.48 : 4,926.90 = 2,172.68 : x
  2. Step 2: Convert to fraction form
    3,569.48/4,926.90 = 2,172.68/x
  3. Step 3: Cross multiply
    3,569.48x = 4,926.90 × 2,172.68
  4. Step 4: Simplify right side
    3,569.48x = 10,704,577.09
  5. Step 5: Solve for x
    x = 10,704,577.09/3,569.48
  6. Step 6: Final answer
    x = 2,998.92

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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.