Home / 3,156.02-4,355.25-1,829.85

Finding the Fourth Proportional to 3,156.02, 4,355.25 and 1,829.85

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Solution

The fourth proportional to 3,156.02, 4,355.25 and 1,829.85 is: 2,525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.02 : 4,355.25 = 1,829.85 : x
  2. Step 2: Convert to fraction form
    3,156.02/4,355.25 = 1,829.85/x
  3. Step 3: Cross multiply
    3,156.02x = 4,355.25 × 1,829.85
  4. Step 4: Simplify right side
    3,156.02x = 7,969,431.02
  5. Step 5: Solve for x
    x = 7,969,431.02/3,156.02
  6. Step 6: Final answer
    x = 2,525.15

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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.