Home / 2,268.24-3,130.29-1,383.99

Finding the Fourth Proportional to 2,268.24, 3,130.29 and 1,383.99

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Solution

The fourth proportional to 2,268.24, 3,130.29 and 1,383.99 is: 1,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.24 : 3,130.29 = 1,383.99 : x
  2. Step 2: Convert to fraction form
    2,268.24/3,130.29 = 1,383.99/x
  3. Step 3: Cross multiply
    2,268.24x = 3,130.29 × 1,383.99
  4. Step 4: Simplify right side
    2,268.24x = 4,332,290.06
  5. Step 5: Solve for x
    x = 4,332,290.06/2,268.24
  6. Step 6: Final answer
    x = 1,909.98

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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.