Home / 3,415.17-4,711.05-2,069.90

Finding the Fourth Proportional to 3,415.17, 4,711.05 and 2,069.90

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Solution

The fourth proportional to 3,415.17, 4,711.05 and 2,069.90 is: 2,855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.17 : 4,711.05 = 2,069.90 : x
  2. Step 2: Convert to fraction form
    3,415.17/4,711.05 = 2,069.90/x
  3. Step 3: Cross multiply
    3,415.17x = 4,711.05 × 2,069.90
  4. Step 4: Simplify right side
    3,415.17x = 9,751,378.84
  5. Step 5: Solve for x
    x = 9,751,378.84/3,415.17
  6. Step 6: Final answer
    x = 2,855.31

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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.