Home / 2,650.22-3,657.84-1,853.33

Finding the Fourth Proportional to 2,650.22, 3,657.84 and 1,853.33

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Solution

The fourth proportional to 2,650.22, 3,657.84 and 1,853.33 is: 2,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.22 : 3,657.84 = 1,853.33 : x
  2. Step 2: Convert to fraction form
    2,650.22/3,657.84 = 1,853.33/x
  3. Step 3: Cross multiply
    2,650.22x = 3,657.84 × 1,853.33
  4. Step 4: Simplify right side
    2,650.22x = 6,779,166.32
  5. Step 5: Solve for x
    x = 6,779,166.32/2,650.22
  6. Step 6: Final answer
    x = 2,557.97

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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.