Home / 3,537.09-5,297.55-1,689.50

Finding the Fourth Proportional to 3,537.09, 5,297.55 and 1,689.50

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Solution

The fourth proportional to 3,537.09, 5,297.55 and 1,689.50 is: 2,530.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.09 : 5,297.55 = 1,689.50 : x
  2. Step 2: Convert to fraction form
    3,537.09/5,297.55 = 1,689.50/x
  3. Step 3: Cross multiply
    3,537.09x = 5,297.55 × 1,689.50
  4. Step 4: Simplify right side
    3,537.09x = 8,950,217.63
  5. Step 5: Solve for x
    x = 8,950,217.63/3,537.09
  6. Step 6: Final answer
    x = 2,530.39

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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.