Home / 3,536.50-5,299.71-1,686.10

Finding the Fourth Proportional to 3,536.50, 5,299.71 and 1,686.10

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Solution

The fourth proportional to 3,536.50, 5,299.71 and 1,686.10 is: 2,526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.50 : 5,299.71 = 1,686.10 : x
  2. Step 2: Convert to fraction form
    3,536.50/5,299.71 = 1,686.10/x
  3. Step 3: Cross multiply
    3,536.50x = 5,299.71 × 1,686.10
  4. Step 4: Simplify right side
    3,536.50x = 8,935,841.03
  5. Step 5: Solve for x
    x = 8,935,841.03/3,536.50
  6. Step 6: Final answer
    x = 2,526.75

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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.