Home / 3,689.22-5,526.38-1,834.70

Finding the Fourth Proportional to 3,689.22, 5,526.38 and 1,834.70

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Solution

The fourth proportional to 3,689.22, 5,526.38 and 1,834.70 is: 2,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.22 : 5,526.38 = 1,834.70 : x
  2. Step 2: Convert to fraction form
    3,689.22/5,526.38 = 1,834.70/x
  3. Step 3: Cross multiply
    3,689.22x = 5,526.38 × 1,834.70
  4. Step 4: Simplify right side
    3,689.22x = 10,139,249.39
  5. Step 5: Solve for x
    x = 10,139,249.39/3,689.22
  6. Step 6: Final answer
    x = 2,748.35

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1.5x scale

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.