Home / 1,265.45-1,898.24-1,196.19

Finding the Fourth Proportional to 1,265.45, 1,898.24 and 1,196.19

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Solution

The fourth proportional to 1,265.45, 1,898.24 and 1,196.19 is: 1,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265.45 : 1,898.24 = 1,196.19 : x
  2. Step 2: Convert to fraction form
    1,265.45/1,898.24 = 1,196.19/x
  3. Step 3: Cross multiply
    1,265.45x = 1,898.24 × 1,196.19
  4. Step 4: Simplify right side
    1,265.45x = 2,270,649.72
  5. Step 5: Solve for x
    x = 2,270,649.72/1,265.45
  6. Step 6: Final answer
    x = 1,794.35

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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.