Home / 3,077.16-4,246.26-1,818.16

Finding the Fourth Proportional to 3,077.16, 4,246.26 and 1,818.16

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Solution

The fourth proportional to 3,077.16, 4,246.26 and 1,818.16 is: 2,508.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.16 : 4,246.26 = 1,818.16 : x
  2. Step 2: Convert to fraction form
    3,077.16/4,246.26 = 1,818.16/x
  3. Step 3: Cross multiply
    3,077.16x = 4,246.26 × 1,818.16
  4. Step 4: Simplify right side
    3,077.16x = 7,720,380.08
  5. Step 5: Solve for x
    x = 7,720,380.08/3,077.16
  6. Step 6: Final answer
    x = 2,508.93

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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.