Home / 3,069.15-4,235.26-1,742.77

Finding the Fourth Proportional to 3,069.15, 4,235.26 and 1,742.77

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Solution

The fourth proportional to 3,069.15, 4,235.26 and 1,742.77 is: 2,404.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.15 : 4,235.26 = 1,742.77 : x
  2. Step 2: Convert to fraction form
    3,069.15/4,235.26 = 1,742.77/x
  3. Step 3: Cross multiply
    3,069.15x = 4,235.26 × 1,742.77
  4. Step 4: Simplify right side
    3,069.15x = 7,381,069.35
  5. Step 5: Solve for x
    x = 7,381,069.35/3,069.15
  6. Step 6: Final answer
    x = 2,404.93

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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.