Home / 2,301.60-3,174.96-1,369.92

Finding the Fourth Proportional to 2,301.60, 3,174.96 and 1,369.92

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Solution

The fourth proportional to 2,301.60, 3,174.96 and 1,369.92 is: 1,889.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.60 : 3,174.96 = 1,369.92 : x
  2. Step 2: Convert to fraction form
    2,301.60/3,174.96 = 1,369.92/x
  3. Step 3: Cross multiply
    2,301.60x = 3,174.96 × 1,369.92
  4. Step 4: Simplify right side
    2,301.60x = 4,349,441.20
  5. Step 5: Solve for x
    x = 4,349,441.20/2,301.60
  6. Step 6: Final answer
    x = 1,889.75

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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.