Home / 2,850.17-3,931.94-1,670.74

Finding the Fourth Proportional to 2,850.17, 3,931.94 and 1,670.74

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Solution

The fourth proportional to 2,850.17, 3,931.94 and 1,670.74 is: 2,304.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.17 : 3,931.94 = 1,670.74 : x
  2. Step 2: Convert to fraction form
    2,850.17/3,931.94 = 1,670.74/x
  3. Step 3: Cross multiply
    2,850.17x = 3,931.94 × 1,670.74
  4. Step 4: Simplify right side
    2,850.17x = 6,569,243.78
  5. Step 5: Solve for x
    x = 6,569,243.78/2,850.17
  6. Step 6: Final answer
    x = 2,304.86

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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.