Home / 3,686.48-5,531.64-1,634

Finding the Fourth Proportional to 3,686.48, 5,531.64 and 1,634

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Solution

The fourth proportional to 3,686.48, 5,531.64 and 1,634 is: 2,451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.48 : 5,531.64 = 1,634 : x
  2. Step 2: Convert to fraction form
    3,686.48/5,531.64 = 1,634/x
  3. Step 3: Cross multiply
    3,686.48x = 5,531.64 × 1,634
  4. Step 4: Simplify right side
    3,686.48x = 9,038,699.76
  5. Step 5: Solve for x
    x = 9,038,699.76/3,686.48
  6. Step 6: Final answer
    x = 2,451.85

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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.