Home / 1,456.64-2,193.44-1,074.56

Finding the Fourth Proportional to 1,456.64, 2,193.44 and 1,074.56

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Solution

The fourth proportional to 1,456.64, 2,193.44 and 1,074.56 is: 1,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.64 : 2,193.44 = 1,074.56 : x
  2. Step 2: Convert to fraction form
    1,456.64/2,193.44 = 1,074.56/x
  3. Step 3: Cross multiply
    1,456.64x = 2,193.44 × 1,074.56
  4. Step 4: Simplify right side
    1,456.64x = 2,356,982.89
  5. Step 5: Solve for x
    x = 2,356,982.89/1,456.64
  6. Step 6: Final answer
    x = 1,618.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.