Home / 3,069.09-4,235.38-1,742.83

Finding the Fourth Proportional to 3,069.09, 4,235.38 and 1,742.83

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Solution

The fourth proportional to 3,069.09, 4,235.38 and 1,742.83 is: 2,405.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.09 : 4,235.38 = 1,742.83 : x
  2. Step 2: Convert to fraction form
    3,069.09/4,235.38 = 1,742.83/x
  3. Step 3: Cross multiply
    3,069.09x = 4,235.38 × 1,742.83
  4. Step 4: Simplify right side
    3,069.09x = 7,381,521.79
  5. Step 5: Solve for x
    x = 7,381,521.79/3,069.09
  6. Step 6: Final answer
    x = 2,405.12

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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.