Home / 3,656.90-5,484.30-1,191.93

Finding the Fourth Proportional to 3,656.90, 5,484.30 and 1,191.93

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Solution

The fourth proportional to 3,656.90, 5,484.30 and 1,191.93 is: 1,787.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.90 : 5,484.30 = 1,191.93 : x
  2. Step 2: Convert to fraction form
    3,656.90/5,484.30 = 1,191.93/x
  3. Step 3: Cross multiply
    3,656.90x = 5,484.30 × 1,191.93
  4. Step 4: Simplify right side
    3,656.90x = 6,536,915.41
  5. Step 5: Solve for x
    x = 6,536,915.41/3,656.90
  6. Step 6: Final answer
    x = 1,787.56

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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.