Home / 2,391.12-3,588.90-1,296.34

Finding the Fourth Proportional to 2,391.12, 3,588.90 and 1,296.34

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Solution

The fourth proportional to 2,391.12, 3,588.90 and 1,296.34 is: 1,945.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.12 : 3,588.90 = 1,296.34 : x
  2. Step 2: Convert to fraction form
    2,391.12/3,588.90 = 1,296.34/x
  3. Step 3: Cross multiply
    2,391.12x = 3,588.90 × 1,296.34
  4. Step 4: Simplify right side
    2,391.12x = 4,652,434.63
  5. Step 5: Solve for x
    x = 4,652,434.63/2,391.12
  6. Step 6: Final answer
    x = 1,945.71

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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.