Home / 1,604.20-2,411.70-1,366.60

Finding the Fourth Proportional to 1,604.20, 2,411.70 and 1,366.60

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Solution

The fourth proportional to 1,604.20, 2,411.70 and 1,366.60 is: 2,054.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.20 : 2,411.70 = 1,366.60 : x
  2. Step 2: Convert to fraction form
    1,604.20/2,411.70 = 1,366.60/x
  3. Step 3: Cross multiply
    1,604.20x = 2,411.70 × 1,366.60
  4. Step 4: Simplify right side
    1,604.20x = 3,295,829.22
  5. Step 5: Solve for x
    x = 3,295,829.22/1,604.20
  6. Step 6: Final answer
    x = 2,054.50

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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.