Home / 2,397.42-3,308.36-1,349.28

Finding the Fourth Proportional to 2,397.42, 3,308.36 and 1,349.28

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Solution

The fourth proportional to 2,397.42, 3,308.36 and 1,349.28 is: 1,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.42 : 3,308.36 = 1,349.28 : x
  2. Step 2: Convert to fraction form
    2,397.42/3,308.36 = 1,349.28/x
  3. Step 3: Cross multiply
    2,397.42x = 3,308.36 × 1,349.28
  4. Step 4: Simplify right side
    2,397.42x = 4,463,903.98
  5. Step 5: Solve for x
    x = 4,463,903.98/2,397.42
  6. Step 6: Final answer
    x = 1,861.96

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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.