Home / 3,616.88-5,421.40-1,536.52

Finding the Fourth Proportional to 3,616.88, 5,421.40 and 1,536.52

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Solution

The fourth proportional to 3,616.88, 5,421.40 and 1,536.52 is: 2,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.88 : 5,421.40 = 1,536.52 : x
  2. Step 2: Convert to fraction form
    3,616.88/5,421.40 = 1,536.52/x
  3. Step 3: Cross multiply
    3,616.88x = 5,421.40 × 1,536.52
  4. Step 4: Simplify right side
    3,616.88x = 8,330,089.53
  5. Step 5: Solve for x
    x = 8,330,089.53/3,616.88
  6. Step 6: Final answer
    x = 2,303.11

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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.