Home / 2,431.35-3,646.99-1,649.41

Finding the Fourth Proportional to 2,431.35, 3,646.99 and 1,649.41

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Solution

The fourth proportional to 2,431.35, 3,646.99 and 1,649.41 is: 2,474.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.35 : 3,646.99 = 1,649.41 : x
  2. Step 2: Convert to fraction form
    2,431.35/3,646.99 = 1,649.41/x
  3. Step 3: Cross multiply
    2,431.35x = 3,646.99 × 1,649.41
  4. Step 4: Simplify right side
    2,431.35x = 6,015,374.72
  5. Step 5: Solve for x
    x = 6,015,374.72/2,431.35
  6. Step 6: Final answer
    x = 2,474.09

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1.5x scale

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.