Home / 1,708.10-2,558.36-1,394.54

Finding the Fourth Proportional to 1,708.10, 2,558.36 and 1,394.54

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Solution

The fourth proportional to 1,708.10, 2,558.36 and 1,394.54 is: 2,088.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.10 : 2,558.36 = 1,394.54 : x
  2. Step 2: Convert to fraction form
    1,708.10/2,558.36 = 1,394.54/x
  3. Step 3: Cross multiply
    1,708.10x = 2,558.36 × 1,394.54
  4. Step 4: Simplify right side
    1,708.10x = 3,567,735.35
  5. Step 5: Solve for x
    x = 3,567,735.35/1,708.10
  6. Step 6: Final answer
    x = 2,088.72

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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.