Home / 1,664.85-2,294.94-1,074.63

Finding the Fourth Proportional to 1,664.85, 2,294.94 and 1,074.63

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Solution

The fourth proportional to 1,664.85, 2,294.94 and 1,074.63 is: 1,481.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.85 : 2,294.94 = 1,074.63 : x
  2. Step 2: Convert to fraction form
    1,664.85/2,294.94 = 1,074.63/x
  3. Step 3: Cross multiply
    1,664.85x = 2,294.94 × 1,074.63
  4. Step 4: Simplify right side
    1,664.85x = 2,466,211.37
  5. Step 5: Solve for x
    x = 2,466,211.37/1,664.85
  6. Step 6: Final answer
    x = 1,481.34

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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.