Home / 3,531.69-5,297.52-1,221.57

Finding the Fourth Proportional to 3,531.69, 5,297.52 and 1,221.57

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Solution

The fourth proportional to 3,531.69, 5,297.52 and 1,221.57 is: 1,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.69 : 5,297.52 = 1,221.57 : x
  2. Step 2: Convert to fraction form
    3,531.69/5,297.52 = 1,221.57/x
  3. Step 3: Cross multiply
    3,531.69x = 5,297.52 × 1,221.57
  4. Step 4: Simplify right side
    3,531.69x = 6,471,291.51
  5. Step 5: Solve for x
    x = 6,471,291.51/3,531.69
  6. Step 6: Final answer
    x = 1,832.35

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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.