Home / 3,077.04-4,238.70-2,235.30

Finding the Fourth Proportional to 3,077.04, 4,238.70 and 2,235.30

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Solution

The fourth proportional to 3,077.04, 4,238.70 and 2,235.30 is: 3,079.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.04 : 4,238.70 = 2,235.30 : x
  2. Step 2: Convert to fraction form
    3,077.04/4,238.70 = 2,235.30/x
  3. Step 3: Cross multiply
    3,077.04x = 4,238.70 × 2,235.30
  4. Step 4: Simplify right side
    3,077.04x = 9,474,766.11
  5. Step 5: Solve for x
    x = 9,474,766.11/3,077.04
  6. Step 6: Final answer
    x = 3,079.18

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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.