Home / 3,436.64-5,157.48-1,245.53

Finding the Fourth Proportional to 3,436.64, 5,157.48 and 1,245.53

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Solution

The fourth proportional to 3,436.64, 5,157.48 and 1,245.53 is: 1,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.64 : 5,157.48 = 1,245.53 : x
  2. Step 2: Convert to fraction form
    3,436.64/5,157.48 = 1,245.53/x
  3. Step 3: Cross multiply
    3,436.64x = 5,157.48 × 1,245.53
  4. Step 4: Simplify right side
    3,436.64x = 6,423,796.06
  5. Step 5: Solve for x
    x = 6,423,796.06/3,436.64
  6. Step 6: Final answer
    x = 1,869.21

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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.