Home / 3,156.24-4,355.76-1,829.84

Finding the Fourth Proportional to 3,156.24, 4,355.76 and 1,829.84

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Solution

The fourth proportional to 3,156.24, 4,355.76 and 1,829.84 is: 2,525.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.24 : 4,355.76 = 1,829.84 : x
  2. Step 2: Convert to fraction form
    3,156.24/4,355.76 = 1,829.84/x
  3. Step 3: Cross multiply
    3,156.24x = 4,355.76 × 1,829.84
  4. Step 4: Simplify right side
    3,156.24x = 7,970,343.88
  5. Step 5: Solve for x
    x = 7,970,343.88/3,156.24
  6. Step 6: Final answer
    x = 2,525.27

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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.