Home / 2,384.22-3,287.06-1,957.28

Finding the Fourth Proportional to 2,384.22, 3,287.06 and 1,957.28

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Solution

The fourth proportional to 2,384.22, 3,287.06 and 1,957.28 is: 2,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.22 : 3,287.06 = 1,957.28 : x
  2. Step 2: Convert to fraction form
    2,384.22/3,287.06 = 1,957.28/x
  3. Step 3: Cross multiply
    2,384.22x = 3,287.06 × 1,957.28
  4. Step 4: Simplify right side
    2,384.22x = 6,433,696.80
  5. Step 5: Solve for x
    x = 6,433,696.80/2,384.22
  6. Step 6: Final answer
    x = 2,698.45

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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.