Home / 3,723.11-5,580.75-1,257.07

Finding the Fourth Proportional to 3,723.11, 5,580.75 and 1,257.07

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Solution

The fourth proportional to 3,723.11, 5,580.75 and 1,257.07 is: 1,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.11 : 5,580.75 = 1,257.07 : x
  2. Step 2: Convert to fraction form
    3,723.11/5,580.75 = 1,257.07/x
  3. Step 3: Cross multiply
    3,723.11x = 5,580.75 × 1,257.07
  4. Step 4: Simplify right side
    3,723.11x = 7,015,393.40
  5. Step 5: Solve for x
    x = 7,015,393.40/3,723.11
  6. Step 6: Final answer
    x = 1,884.28

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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.