Home / 2,346.77-3,238.49-1,284.51

Finding the Fourth Proportional to 2,346.77, 3,238.49 and 1,284.51

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Solution

The fourth proportional to 2,346.77, 3,238.49 and 1,284.51 is: 1,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.77 : 3,238.49 = 1,284.51 : x
  2. Step 2: Convert to fraction form
    2,346.77/3,238.49 = 1,284.51/x
  3. Step 3: Cross multiply
    2,346.77x = 3,238.49 × 1,284.51
  4. Step 4: Simplify right side
    2,346.77x = 4,159,869.93
  5. Step 5: Solve for x
    x = 4,159,869.93/2,346.77
  6. Step 6: Final answer
    x = 1,772.59

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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.