Home / 1,793.36-2,686.08-1,379.45

Finding the Fourth Proportional to 1,793.36, 2,686.08 and 1,379.45

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Solution

The fourth proportional to 1,793.36, 2,686.08 and 1,379.45 is: 2,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.36 : 2,686.08 = 1,379.45 : x
  2. Step 2: Convert to fraction form
    1,793.36/2,686.08 = 1,379.45/x
  3. Step 3: Cross multiply
    1,793.36x = 2,686.08 × 1,379.45
  4. Step 4: Simplify right side
    1,793.36x = 3,705,313.06
  5. Step 5: Solve for x
    x = 3,705,313.06/1,793.36
  6. Step 6: Final answer
    x = 2,066.13

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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.