Home / 1,748.15-2,622.21-1,660.55

Finding the Fourth Proportional to 1,748.15, 2,622.21 and 1,660.55

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Solution

The fourth proportional to 1,748.15, 2,622.21 and 1,660.55 is: 2,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.15 : 2,622.21 = 1,660.55 : x
  2. Step 2: Convert to fraction form
    1,748.15/2,622.21 = 1,660.55/x
  3. Step 3: Cross multiply
    1,748.15x = 2,622.21 × 1,660.55
  4. Step 4: Simplify right side
    1,748.15x = 4,354,306.23
  5. Step 5: Solve for x
    x = 4,354,306.23/1,748.15
  6. Step 6: Final answer
    x = 2,490.81

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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.