Home / 3,436.23-5,153.54-1,245.45

Finding the Fourth Proportional to 3,436.23, 5,153.54 and 1,245.45

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Solution

The fourth proportional to 3,436.23, 5,153.54 and 1,245.45 is: 1,867.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.23 : 5,153.54 = 1,245.45 : x
  2. Step 2: Convert to fraction form
    3,436.23/5,153.54 = 1,245.45/x
  3. Step 3: Cross multiply
    3,436.23x = 5,153.54 × 1,245.45
  4. Step 4: Simplify right side
    3,436.23x = 6,418,470.17
  5. Step 5: Solve for x
    x = 6,418,470.17/3,436.23
  6. Step 6: Final answer
    x = 1,867.88

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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.