Home / 2,350.81-3,244.06-1,288.60

Finding the Fourth Proportional to 2,350.81, 3,244.06 and 1,288.60

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Solution

The fourth proportional to 2,350.81, 3,244.06 and 1,288.60 is: 1,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.81 : 3,244.06 = 1,288.60 : x
  2. Step 2: Convert to fraction form
    2,350.81/3,244.06 = 1,288.60/x
  3. Step 3: Cross multiply
    2,350.81x = 3,244.06 × 1,288.60
  4. Step 4: Simplify right side
    2,350.81x = 4,180,294.72
  5. Step 5: Solve for x
    x = 4,180,294.72/2,350.81
  6. Step 6: Final answer
    x = 1,778.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.