Home / 1,604.84-2,213.33-1,272.74

Finding the Fourth Proportional to 1,604.84, 2,213.33 and 1,272.74

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Solution

The fourth proportional to 1,604.84, 2,213.33 and 1,272.74 is: 1,755.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.84 : 2,213.33 = 1,272.74 : x
  2. Step 2: Convert to fraction form
    1,604.84/2,213.33 = 1,272.74/x
  3. Step 3: Cross multiply
    1,604.84x = 2,213.33 × 1,272.74
  4. Step 4: Simplify right side
    1,604.84x = 2,816,976.19
  5. Step 5: Solve for x
    x = 2,816,976.19/1,604.84
  6. Step 6: Final answer
    x = 1,755.31

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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.