Home / 1,705.19-2,358.34-1,469.39

Finding the Fourth Proportional to 1,705.19, 2,358.34 and 1,469.39

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Solution

The fourth proportional to 1,705.19, 2,358.34 and 1,469.39 is: 2,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705.19 : 2,358.34 = 1,469.39 : x
  2. Step 2: Convert to fraction form
    1,705.19/2,358.34 = 1,469.39/x
  3. Step 3: Cross multiply
    1,705.19x = 2,358.34 × 1,469.39
  4. Step 4: Simplify right side
    1,705.19x = 3,465,305.75
  5. Step 5: Solve for x
    x = 3,465,305.75/1,705.19
  6. Step 6: Final answer
    x = 2,032.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.