Home / 3,586.60-5,380.51-1,120.94

Finding the Fourth Proportional to 3,586.60, 5,380.51 and 1,120.94

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Solution

The fourth proportional to 3,586.60, 5,380.51 and 1,120.94 is: 1,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.60 : 5,380.51 = 1,120.94 : x
  2. Step 2: Convert to fraction form
    3,586.60/5,380.51 = 1,120.94/x
  3. Step 3: Cross multiply
    3,586.60x = 5,380.51 × 1,120.94
  4. Step 4: Simplify right side
    3,586.60x = 6,031,199.17
  5. Step 5: Solve for x
    x = 6,031,199.17/3,586.60
  6. Step 6: Final answer
    x = 1,681.59

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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.