Home / 3,586.12-5,380.77-1,830.19

Finding the Fourth Proportional to 3,586.12, 5,380.77 and 1,830.19

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Solution

The fourth proportional to 3,586.12, 5,380.77 and 1,830.19 is: 2,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.12 : 5,380.77 = 1,830.19 : x
  2. Step 2: Convert to fraction form
    3,586.12/5,380.77 = 1,830.19/x
  3. Step 3: Cross multiply
    3,586.12x = 5,380.77 × 1,830.19
  4. Step 4: Simplify right side
    3,586.12x = 9,847,839.79
  5. Step 5: Solve for x
    x = 9,847,839.79/3,586.12
  6. Step 6: Final answer
    x = 2,746.10

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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.