Home / 3,077.08-4,246.37-1,679.83

Finding the Fourth Proportional to 3,077.08, 4,246.37 and 1,679.83

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Solution

The fourth proportional to 3,077.08, 4,246.37 and 1,679.83 is: 2,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.08 : 4,246.37 = 1,679.83 : x
  2. Step 2: Convert to fraction form
    3,077.08/4,246.37 = 1,679.83/x
  3. Step 3: Cross multiply
    3,077.08x = 4,246.37 × 1,679.83
  4. Step 4: Simplify right side
    3,077.08x = 7,133,171.32
  5. Step 5: Solve for x
    x = 7,133,171.32/3,077.08
  6. Step 6: Final answer
    x = 2,318.16

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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.