Home / 2,867.49-3,957.57-1,822.59

Finding the Fourth Proportional to 2,867.49, 3,957.57 and 1,822.59

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Solution

The fourth proportional to 2,867.49, 3,957.57 and 1,822.59 is: 2,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.49 : 3,957.57 = 1,822.59 : x
  2. Step 2: Convert to fraction form
    2,867.49/3,957.57 = 1,822.59/x
  3. Step 3: Cross multiply
    2,867.49x = 3,957.57 × 1,822.59
  4. Step 4: Simplify right side
    2,867.49x = 7,213,027.51
  5. Step 5: Solve for x
    x = 7,213,027.51/2,867.49
  6. Step 6: Final answer
    x = 2,515.45

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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.