Home / 1,962.24-2,707.96-1,123.09

Finding the Fourth Proportional to 1,962.24, 2,707.96 and 1,123.09

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Solution

The fourth proportional to 1,962.24, 2,707.96 and 1,123.09 is: 1,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.24 : 2,707.96 = 1,123.09 : x
  2. Step 2: Convert to fraction form
    1,962.24/2,707.96 = 1,123.09/x
  3. Step 3: Cross multiply
    1,962.24x = 2,707.96 × 1,123.09
  4. Step 4: Simplify right side
    1,962.24x = 3,041,282.80
  5. Step 5: Solve for x
    x = 3,041,282.80/1,962.24
  6. Step 6: Final answer
    x = 1,549.90

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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.