Home / 1,390.92-2,093.34-1,046.04

Finding the Fourth Proportional to 1,390.92, 2,093.34 and 1,046.04

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Solution

The fourth proportional to 1,390.92, 2,093.34 and 1,046.04 is: 1,574.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390.92 : 2,093.34 = 1,046.04 : x
  2. Step 2: Convert to fraction form
    1,390.92/2,093.34 = 1,046.04/x
  3. Step 3: Cross multiply
    1,390.92x = 2,093.34 × 1,046.04
  4. Step 4: Simplify right side
    1,390.92x = 2,189,717.37
  5. Step 5: Solve for x
    x = 2,189,717.37/1,390.92
  6. Step 6: Final answer
    x = 1,574.29

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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.