Home / 3,297.18-4,549.88-1,804.80

Finding the Fourth Proportional to 3,297.18, 4,549.88 and 1,804.80

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Solution

The fourth proportional to 3,297.18, 4,549.88 and 1,804.80 is: 2,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.18 : 4,549.88 = 1,804.80 : x
  2. Step 2: Convert to fraction form
    3,297.18/4,549.88 = 1,804.80/x
  3. Step 3: Cross multiply
    3,297.18x = 4,549.88 × 1,804.80
  4. Step 4: Simplify right side
    3,297.18x = 8,211,623.42
  5. Step 5: Solve for x
    x = 8,211,623.42/3,297.18
  6. Step 6: Final answer
    x = 2,490.50

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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.