Home / 2,396.81-3,307.91-1,349.08

Finding the Fourth Proportional to 2,396.81, 3,307.91 and 1,349.08

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Solution

The fourth proportional to 2,396.81, 3,307.91 and 1,349.08 is: 1,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,396.81 : 3,307.91 = 1,349.08 : x
  2. Step 2: Convert to fraction form
    2,396.81/3,307.91 = 1,349.08/x
  3. Step 3: Cross multiply
    2,396.81x = 3,307.91 × 1,349.08
  4. Step 4: Simplify right side
    2,396.81x = 4,462,635.22
  5. Step 5: Solve for x
    x = 4,462,635.22/2,396.81
  6. Step 6: Final answer
    x = 1,861.91

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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.