Home / 3,561.48-5,343.30-1,712.07

Finding the Fourth Proportional to 3,561.48, 5,343.30 and 1,712.07

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Solution

The fourth proportional to 3,561.48, 5,343.30 and 1,712.07 is: 2,568.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.48 : 5,343.30 = 1,712.07 : x
  2. Step 2: Convert to fraction form
    3,561.48/5,343.30 = 1,712.07/x
  3. Step 3: Cross multiply
    3,561.48x = 5,343.30 × 1,712.07
  4. Step 4: Simplify right side
    3,561.48x = 9,148,103.63
  5. Step 5: Solve for x
    x = 9,148,103.63/3,561.48
  6. Step 6: Final answer
    x = 2,568.62

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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.