Home / 2,309.28-3,465-1,336.20

Finding the Fourth Proportional to 2,309.28, 3,465 and 1,336.20

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Solution

The fourth proportional to 2,309.28, 3,465 and 1,336.20 is: 2,004.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.28 : 3,465 = 1,336.20 : x
  2. Step 2: Convert to fraction form
    2,309.28/3,465 = 1,336.20/x
  3. Step 3: Cross multiply
    2,309.28x = 3,465 × 1,336.20
  4. Step 4: Simplify right side
    2,309.28x = 4,629,933
  5. Step 5: Solve for x
    x = 4,629,933/2,309.28
  6. Step 6: Final answer
    x = 2,004.92

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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.