Home / 3,613.88-5,421.67-1,148.51

Finding the Fourth Proportional to 3,613.88, 5,421.67 and 1,148.51

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Solution

The fourth proportional to 3,613.88, 5,421.67 and 1,148.51 is: 1,723.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.88 : 5,421.67 = 1,148.51 : x
  2. Step 2: Convert to fraction form
    3,613.88/5,421.67 = 1,148.51/x
  3. Step 3: Cross multiply
    3,613.88x = 5,421.67 × 1,148.51
  4. Step 4: Simplify right side
    3,613.88x = 6,226,852.89
  5. Step 5: Solve for x
    x = 6,226,852.89/3,613.88
  6. Step 6: Final answer
    x = 1,723.04

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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.