Home / 2,276.55-3,409.35-1,299.69

Finding the Fourth Proportional to 2,276.55, 3,409.35 and 1,299.69

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Solution

The fourth proportional to 2,276.55, 3,409.35 and 1,299.69 is: 1,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.55 : 3,409.35 = 1,299.69 : x
  2. Step 2: Convert to fraction form
    2,276.55/3,409.35 = 1,299.69/x
  3. Step 3: Cross multiply
    2,276.55x = 3,409.35 × 1,299.69
  4. Step 4: Simplify right side
    2,276.55x = 4,431,098.10
  5. Step 5: Solve for x
    x = 4,431,098.10/2,276.55
  6. Step 6: Final answer
    x = 1,946.41

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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.