Home / 2,299.45-3,173.42-1,304.77

Finding the Fourth Proportional to 2,299.45, 3,173.42 and 1,304.77

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Solution

The fourth proportional to 2,299.45, 3,173.42 and 1,304.77 is: 1,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.45 : 3,173.42 = 1,304.77 : x
  2. Step 2: Convert to fraction form
    2,299.45/3,173.42 = 1,304.77/x
  3. Step 3: Cross multiply
    2,299.45x = 3,173.42 × 1,304.77
  4. Step 4: Simplify right side
    2,299.45x = 4,140,583.21
  5. Step 5: Solve for x
    x = 4,140,583.21/2,299.45
  6. Step 6: Final answer
    x = 1,800.68

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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.