Home / 3,069.32-4,235.43-1,742.77

Finding the Fourth Proportional to 3,069.32, 4,235.43 and 1,742.77

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Solution

The fourth proportional to 3,069.32, 4,235.43 and 1,742.77 is: 2,404.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.32 : 4,235.43 = 1,742.77 : x
  2. Step 2: Convert to fraction form
    3,069.32/4,235.43 = 1,742.77/x
  3. Step 3: Cross multiply
    3,069.32x = 4,235.43 × 1,742.77
  4. Step 4: Simplify right side
    3,069.32x = 7,381,367.12
  5. Step 5: Solve for x
    x = 7,381,367.12/3,069.32
  6. Step 6: Final answer
    x = 2,404.89

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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.