Home / 3,297.26-4,549.86-1,970.78

Finding the Fourth Proportional to 3,297.26, 4,549.86 and 1,970.78

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Solution

The fourth proportional to 3,297.26, 4,549.86 and 1,970.78 is: 2,719.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.26 : 4,549.86 = 1,970.78 : x
  2. Step 2: Convert to fraction form
    3,297.26/4,549.86 = 1,970.78/x
  3. Step 3: Cross multiply
    3,297.26x = 4,549.86 × 1,970.78
  4. Step 4: Simplify right side
    3,297.26x = 8,966,773.09
  5. Step 5: Solve for x
    x = 8,966,773.09/3,297.26
  6. Step 6: Final answer
    x = 2,719.46

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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.