Home / 3,155.54-4,353.70-1,829.22

Finding the Fourth Proportional to 3,155.54, 4,353.70 and 1,829.22

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Solution

The fourth proportional to 3,155.54, 4,353.70 and 1,829.22 is: 2,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.54 : 4,353.70 = 1,829.22 : x
  2. Step 2: Convert to fraction form
    3,155.54/4,353.70 = 1,829.22/x
  3. Step 3: Cross multiply
    3,155.54x = 4,353.70 × 1,829.22
  4. Step 4: Simplify right side
    3,155.54x = 7,963,875.11
  5. Step 5: Solve for x
    x = 7,963,875.11/3,155.54
  6. Step 6: Final answer
    x = 2,523.78

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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.