Home / 3,655.30-5,484.48-2,486.68

Finding the Fourth Proportional to 3,655.30, 5,484.48 and 2,486.68

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Solution

The fourth proportional to 3,655.30, 5,484.48 and 2,486.68 is: 3,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.30 : 5,484.48 = 2,486.68 : x
  2. Step 2: Convert to fraction form
    3,655.30/5,484.48 = 2,486.68/x
  3. Step 3: Cross multiply
    3,655.30x = 5,484.48 × 2,486.68
  4. Step 4: Simplify right side
    3,655.30x = 13,638,146.73
  5. Step 5: Solve for x
    x = 13,638,146.73/3,655.30
  6. Step 6: Final answer
    x = 3,731.06

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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.