Home / 2,289.08-3,158.96-1,294.37

Finding the Fourth Proportional to 2,289.08, 3,158.96 and 1,294.37

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Solution

The fourth proportional to 2,289.08, 3,158.96 and 1,294.37 is: 1,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.08 : 3,158.96 = 1,294.37 : x
  2. Step 2: Convert to fraction form
    2,289.08/3,158.96 = 1,294.37/x
  3. Step 3: Cross multiply
    2,289.08x = 3,158.96 × 1,294.37
  4. Step 4: Simplify right side
    2,289.08x = 4,088,863.06
  5. Step 5: Solve for x
    x = 4,088,863.06/2,289.08
  6. Step 6: Final answer
    x = 1,786.25

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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.