Home / 3,613.82-5,421.70-1,533.91

Finding the Fourth Proportional to 3,613.82, 5,421.70 and 1,533.91

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Solution

The fourth proportional to 3,613.82, 5,421.70 and 1,533.91 is: 2,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.82 : 5,421.70 = 1,533.91 : x
  2. Step 2: Convert to fraction form
    3,613.82/5,421.70 = 1,533.91/x
  3. Step 3: Cross multiply
    3,613.82x = 5,421.70 × 1,533.91
  4. Step 4: Simplify right side
    3,613.82x = 8,316,399.85
  5. Step 5: Solve for x
    x = 8,316,399.85/3,613.82
  6. Step 6: Final answer
    x = 2,301.28

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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.