Home / 3,723.21-5,583.06-1,257.30

Finding the Fourth Proportional to 3,723.21, 5,583.06 and 1,257.30

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Solution

The fourth proportional to 3,723.21, 5,583.06 and 1,257.30 is: 1,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.21 : 5,583.06 = 1,257.30 : x
  2. Step 2: Convert to fraction form
    3,723.21/5,583.06 = 1,257.30/x
  3. Step 3: Cross multiply
    3,723.21x = 5,583.06 × 1,257.30
  4. Step 4: Simplify right side
    3,723.21x = 7,019,581.34
  5. Step 5: Solve for x
    x = 7,019,581.34/3,723.21
  6. Step 6: Final answer
    x = 1,885.36

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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.