Home / 3,156.06-4,355.11-1,829.85

Finding the Fourth Proportional to 3,156.06, 4,355.11 and 1,829.85

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Solution

The fourth proportional to 3,156.06, 4,355.11 and 1,829.85 is: 2,525.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.06 : 4,355.11 = 1,829.85 : x
  2. Step 2: Convert to fraction form
    3,156.06/4,355.11 = 1,829.85/x
  3. Step 3: Cross multiply
    3,156.06x = 4,355.11 × 1,829.85
  4. Step 4: Simplify right side
    3,156.06x = 7,969,167.11
  5. Step 5: Solve for x
    x = 7,969,167.11/3,156.06
  6. Step 6: Final answer
    x = 2,525.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.