Home / 3,722.32-5,583.45-1,257.13

Finding the Fourth Proportional to 3,722.32, 5,583.45 and 1,257.13

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Solution

The fourth proportional to 3,722.32, 5,583.45 and 1,257.13 is: 1,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.32 : 5,583.45 = 1,257.13 : x
  2. Step 2: Convert to fraction form
    3,722.32/5,583.45 = 1,257.13/x
  3. Step 3: Cross multiply
    3,722.32x = 5,583.45 × 1,257.13
  4. Step 4: Simplify right side
    3,722.32x = 7,019,122.50
  5. Step 5: Solve for x
    x = 7,019,122.50/3,722.32
  6. Step 6: Final answer
    x = 1,885.68

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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.