Home / 3,436.79-4,747.23-3,018.56

Finding the Fourth Proportional to 3,436.79, 4,747.23 and 3,018.56

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Solution

The fourth proportional to 3,436.79, 4,747.23 and 3,018.56 is: 4,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.79 : 4,747.23 = 3,018.56 : x
  2. Step 2: Convert to fraction form
    3,436.79/4,747.23 = 3,018.56/x
  3. Step 3: Cross multiply
    3,436.79x = 4,747.23 × 3,018.56
  4. Step 4: Simplify right side
    3,436.79x = 14,329,774.85
  5. Step 5: Solve for x
    x = 14,329,774.85/3,436.79
  6. Step 6: Final answer
    x = 4,169.53

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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.