Home / 3,077.19-4,246.53-1,679.94

Finding the Fourth Proportional to 3,077.19, 4,246.53 and 1,679.94

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Solution

The fourth proportional to 3,077.19, 4,246.53 and 1,679.94 is: 2,318.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.19 : 4,246.53 = 1,679.94 : x
  2. Step 2: Convert to fraction form
    3,077.19/4,246.53 = 1,679.94/x
  3. Step 3: Cross multiply
    3,077.19x = 4,246.53 × 1,679.94
  4. Step 4: Simplify right side
    3,077.19x = 7,133,915.61
  5. Step 5: Solve for x
    x = 7,133,915.61/3,077.19
  6. Step 6: Final answer
    x = 2,318.32

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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.