Home / 2,649.59-3,657.69-1,656.33

Finding the Fourth Proportional to 2,649.59, 3,657.69 and 1,656.33

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Solution

The fourth proportional to 2,649.59, 3,657.69 and 1,656.33 is: 2,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.59 : 3,657.69 = 1,656.33 : x
  2. Step 2: Convert to fraction form
    2,649.59/3,657.69 = 1,656.33/x
  3. Step 3: Cross multiply
    2,649.59x = 3,657.69 × 1,656.33
  4. Step 4: Simplify right side
    2,649.59x = 6,058,327.96
  5. Step 5: Solve for x
    x = 6,058,327.96/2,649.59
  6. Step 6: Final answer
    x = 2,286.52

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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.