Home / 2,299.38-3,445.38-2,080.68

Finding the Fourth Proportional to 2,299.38, 3,445.38 and 2,080.68

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Solution

The fourth proportional to 2,299.38, 3,445.38 and 2,080.68 is: 3,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.38 : 3,445.38 = 2,080.68 : x
  2. Step 2: Convert to fraction form
    2,299.38/3,445.38 = 2,080.68/x
  3. Step 3: Cross multiply
    2,299.38x = 3,445.38 × 2,080.68
  4. Step 4: Simplify right side
    2,299.38x = 7,168,733.26
  5. Step 5: Solve for x
    x = 7,168,733.26/2,299.38
  6. Step 6: Final answer
    x = 3,117.68

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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.