Home / 3,155.16-4,731.12-1,695.54

Finding the Fourth Proportional to 3,155.16, 4,731.12 and 1,695.54

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Solution

The fourth proportional to 3,155.16, 4,731.12 and 1,695.54 is: 2,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.16 : 4,731.12 = 1,695.54 : x
  2. Step 2: Convert to fraction form
    3,155.16/4,731.12 = 1,695.54/x
  3. Step 3: Cross multiply
    3,155.16x = 4,731.12 × 1,695.54
  4. Step 4: Simplify right side
    3,155.16x = 8,021,803.20
  5. Step 5: Solve for x
    x = 8,021,803.20/3,155.16
  6. Step 6: Final answer
    x = 2,542.44

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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.