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Finding the Fourth Proportional to 2,336.40, 3,507.04 and 1,364.40

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Solution

The fourth proportional to 2,336.40, 3,507.04 and 1,364.40 is: 2,048.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.40 : 3,507.04 = 1,364.40 : x
  2. Step 2: Convert to fraction form
    2,336.40/3,507.04 = 1,364.40/x
  3. Step 3: Cross multiply
    2,336.40x = 3,507.04 × 1,364.40
  4. Step 4: Simplify right side
    2,336.40x = 4,785,005.38
  5. Step 5: Solve for x
    x = 4,785,005.38/2,336.40
  6. Step 6: Final answer
    x = 2,048.02

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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.