Home / 2,383.66-3,289.64-1,439.94

Finding the Fourth Proportional to 2,383.66, 3,289.64 and 1,439.94

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Solution

The fourth proportional to 2,383.66, 3,289.64 and 1,439.94 is: 1,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.66 : 3,289.64 = 1,439.94 : x
  2. Step 2: Convert to fraction form
    2,383.66/3,289.64 = 1,439.94/x
  3. Step 3: Cross multiply
    2,383.66x = 3,289.64 × 1,439.94
  4. Step 4: Simplify right side
    2,383.66x = 4,736,884.22
  5. Step 5: Solve for x
    x = 4,736,884.22/2,383.66
  6. Step 6: Final answer
    x = 1,987.23

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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.