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Finding the Fourth Proportional to 3,295.60, 4,943.40 and 1,104.40

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Solution

The fourth proportional to 3,295.60, 4,943.40 and 1,104.40 is: 1,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.60 : 4,943.40 = 1,104.40 : x
  2. Step 2: Convert to fraction form
    3,295.60/4,943.40 = 1,104.40/x
  3. Step 3: Cross multiply
    3,295.60x = 4,943.40 × 1,104.40
  4. Step 4: Simplify right side
    3,295.60x = 5,459,490.96
  5. Step 5: Solve for x
    x = 5,459,490.96/3,295.60
  6. Step 6: Final answer
    x = 1,656.60

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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.