Home / 3,156.26-4,363.74-3,018.56

Finding the Fourth Proportional to 3,156.26, 4,363.74 and 3,018.56

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Solution

The fourth proportional to 3,156.26, 4,363.74 and 3,018.56 is: 4,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.26 : 4,363.74 = 3,018.56 : x
  2. Step 2: Convert to fraction form
    3,156.26/4,363.74 = 3,018.56/x
  3. Step 3: Cross multiply
    3,156.26x = 4,363.74 × 3,018.56
  4. Step 4: Simplify right side
    3,156.26x = 13,172,189.20
  5. Step 5: Solve for x
    x = 13,172,189.20/3,156.26
  6. Step 6: Final answer
    x = 4,173.36

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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.