Home / 2,118.60-2,923.52-1,234.36

Finding the Fourth Proportional to 2,118.60, 2,923.52 and 1,234.36

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Solution

The fourth proportional to 2,118.60, 2,923.52 and 1,234.36 is: 1,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.60 : 2,923.52 = 1,234.36 : x
  2. Step 2: Convert to fraction form
    2,118.60/2,923.52 = 1,234.36/x
  3. Step 3: Cross multiply
    2,118.60x = 2,923.52 × 1,234.36
  4. Step 4: Simplify right side
    2,118.60x = 3,608,676.15
  5. Step 5: Solve for x
    x = 3,608,676.15/2,118.60
  6. Step 6: Final answer
    x = 1,703.33

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1.5x scale

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.