Home / 3,105.68-4,656.08-1,156.82

Finding the Fourth Proportional to 3,105.68, 4,656.08 and 1,156.82

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Solution

The fourth proportional to 3,105.68, 4,656.08 and 1,156.82 is: 1,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.68 : 4,656.08 = 1,156.82 : x
  2. Step 2: Convert to fraction form
    3,105.68/4,656.08 = 1,156.82/x
  3. Step 3: Cross multiply
    3,105.68x = 4,656.08 × 1,156.82
  4. Step 4: Simplify right side
    3,105.68x = 5,386,246.47
  5. Step 5: Solve for x
    x = 5,386,246.47/3,105.68
  6. Step 6: Final answer
    x = 1,734.32

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1.5x scale

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.