Home / 1,418.51-2,123.96-1,157.43

Finding the Fourth Proportional to 1,418.51, 2,123.96 and 1,157.43

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Solution

The fourth proportional to 1,418.51, 2,123.96 and 1,157.43 is: 1,733.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.51 : 2,123.96 = 1,157.43 : x
  2. Step 2: Convert to fraction form
    1,418.51/2,123.96 = 1,157.43/x
  3. Step 3: Cross multiply
    1,418.51x = 2,123.96 × 1,157.43
  4. Step 4: Simplify right side
    1,418.51x = 2,458,329.24
  5. Step 5: Solve for x
    x = 2,458,329.24/1,418.51
  6. Step 6: Final answer
    x = 1,733.04

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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.