Home / 3,077.80-4,246.86-2,922.16

Finding the Fourth Proportional to 3,077.80, 4,246.86 and 2,922.16

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Solution

The fourth proportional to 3,077.80, 4,246.86 and 2,922.16 is: 4,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.80 : 4,246.86 = 2,922.16 : x
  2. Step 2: Convert to fraction form
    3,077.80/4,246.86 = 2,922.16/x
  3. Step 3: Cross multiply
    3,077.80x = 4,246.86 × 2,922.16
  4. Step 4: Simplify right side
    3,077.80x = 12,410,004.42
  5. Step 5: Solve for x
    x = 12,410,004.42/3,077.80
  6. Step 6: Final answer
    x = 4,032.10

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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.