Home / 3,069.19-4,230.52-2,126.35

Finding the Fourth Proportional to 3,069.19, 4,230.52 and 2,126.35

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Solution

The fourth proportional to 3,069.19, 4,230.52 and 2,126.35 is: 2,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.19 : 4,230.52 = 2,126.35 : x
  2. Step 2: Convert to fraction form
    3,069.19/4,230.52 = 2,126.35/x
  3. Step 3: Cross multiply
    3,069.19x = 4,230.52 × 2,126.35
  4. Step 4: Simplify right side
    3,069.19x = 8,995,566.20
  5. Step 5: Solve for x
    x = 8,995,566.20/3,069.19
  6. Step 6: Final answer
    x = 2,930.93

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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.