Home / 1,664.88-2,295.30-1,193.46

Finding the Fourth Proportional to 1,664.88, 2,295.30 and 1,193.46

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Solution

The fourth proportional to 1,664.88, 2,295.30 and 1,193.46 is: 1,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.88 : 2,295.30 = 1,193.46 : x
  2. Step 2: Convert to fraction form
    1,664.88/2,295.30 = 1,193.46/x
  3. Step 3: Cross multiply
    1,664.88x = 2,295.30 × 1,193.46
  4. Step 4: Simplify right side
    1,664.88x = 2,739,348.74
  5. Step 5: Solve for x
    x = 2,739,348.74/1,664.88
  6. Step 6: Final answer
    x = 1,645.37

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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.