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Finding the Fourth Proportional to 3,266.60, 4,903.80 and 1,880.90

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Solution

The fourth proportional to 3,266.60, 4,903.80 and 1,880.90 is: 2,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.60 : 4,903.80 = 1,880.90 : x
  2. Step 2: Convert to fraction form
    3,266.60/4,903.80 = 1,880.90/x
  3. Step 3: Cross multiply
    3,266.60x = 4,903.80 × 1,880.90
  4. Step 4: Simplify right side
    3,266.60x = 9,223,557.42
  5. Step 5: Solve for x
    x = 9,223,557.42/3,266.60
  6. Step 6: Final answer
    x = 2,823.60

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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.