Home / 2,669.41-3,685.32-1,774.36

Finding the Fourth Proportional to 2,669.41, 3,685.32 and 1,774.36

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Solution

The fourth proportional to 2,669.41, 3,685.32 and 1,774.36 is: 2,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.41 : 3,685.32 = 1,774.36 : x
  2. Step 2: Convert to fraction form
    2,669.41/3,685.32 = 1,774.36/x
  3. Step 3: Cross multiply
    2,669.41x = 3,685.32 × 1,774.36
  4. Step 4: Simplify right side
    2,669.41x = 6,539,057.10
  5. Step 5: Solve for x
    x = 6,539,057.10/2,669.41
  6. Step 6: Final answer
    x = 2,449.63

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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.