Home / 1,642.65-2,463.06-1,123.23

Finding the Fourth Proportional to 1,642.65, 2,463.06 and 1,123.23

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Solution

The fourth proportional to 1,642.65, 2,463.06 and 1,123.23 is: 1,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642.65 : 2,463.06 = 1,123.23 : x
  2. Step 2: Convert to fraction form
    1,642.65/2,463.06 = 1,123.23/x
  3. Step 3: Cross multiply
    1,642.65x = 2,463.06 × 1,123.23
  4. Step 4: Simplify right side
    1,642.65x = 2,766,582.88
  5. Step 5: Solve for x
    x = 2,766,582.88/1,642.65
  6. Step 6: Final answer
    x = 1,684.22

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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.