Home / 2,231.35-3,347.63-1,258.13

Finding the Fourth Proportional to 2,231.35, 3,347.63 and 1,258.13

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Solution

The fourth proportional to 2,231.35, 3,347.63 and 1,258.13 is: 1,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.35 : 3,347.63 = 1,258.13 : x
  2. Step 2: Convert to fraction form
    2,231.35/3,347.63 = 1,258.13/x
  3. Step 3: Cross multiply
    2,231.35x = 3,347.63 × 1,258.13
  4. Step 4: Simplify right side
    2,231.35x = 4,211,760.53
  5. Step 5: Solve for x
    x = 4,211,760.53/2,231.35
  6. Step 6: Final answer
    x = 1,887.54

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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.