Home / 1,485.83-2,227.68-1,192.41

Finding the Fourth Proportional to 1,485.83, 2,227.68 and 1,192.41

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Solution

The fourth proportional to 1,485.83, 2,227.68 and 1,192.41 is: 1,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.83 : 2,227.68 = 1,192.41 : x
  2. Step 2: Convert to fraction form
    1,485.83/2,227.68 = 1,192.41/x
  3. Step 3: Cross multiply
    1,485.83x = 2,227.68 × 1,192.41
  4. Step 4: Simplify right side
    1,485.83x = 2,656,307.91
  5. Step 5: Solve for x
    x = 2,656,307.91/1,485.83
  6. Step 6: Final answer
    x = 1,787.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.