Home / 2,346.91-3,238.63-1,284.66

Finding the Fourth Proportional to 2,346.91, 3,238.63 and 1,284.66

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Solution

The fourth proportional to 2,346.91, 3,238.63 and 1,284.66 is: 1,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.91 : 3,238.63 = 1,284.66 : x
  2. Step 2: Convert to fraction form
    2,346.91/3,238.63 = 1,284.66/x
  3. Step 3: Cross multiply
    2,346.91x = 3,238.63 × 1,284.66
  4. Step 4: Simplify right side
    2,346.91x = 4,160,538.42
  5. Step 5: Solve for x
    x = 4,160,538.42/2,346.91
  6. Step 6: Final answer
    x = 1,772.77

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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.