Home / 2,378.82-3,283.53-1,670.83

Finding the Fourth Proportional to 2,378.82, 3,283.53 and 1,670.83

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Solution

The fourth proportional to 2,378.82, 3,283.53 and 1,670.83 is: 2,306.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.82 : 3,283.53 = 1,670.83 : x
  2. Step 2: Convert to fraction form
    2,378.82/3,283.53 = 1,670.83/x
  3. Step 3: Cross multiply
    2,378.82x = 3,283.53 × 1,670.83
  4. Step 4: Simplify right side
    2,378.82x = 5,486,220.43
  5. Step 5: Solve for x
    x = 5,486,220.43/2,378.82
  6. Step 6: Final answer
    x = 2,306.28

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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.