Home / 3,069.05-4,235.46-1,810.84

Finding the Fourth Proportional to 3,069.05, 4,235.46 and 1,810.84

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Solution

The fourth proportional to 3,069.05, 4,235.46 and 1,810.84 is: 2,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.05 : 4,235.46 = 1,810.84 : x
  2. Step 2: Convert to fraction form
    3,069.05/4,235.46 = 1,810.84/x
  3. Step 3: Cross multiply
    3,069.05x = 4,235.46 × 1,810.84
  4. Step 4: Simplify right side
    3,069.05x = 7,669,740.39
  5. Step 5: Solve for x
    x = 7,669,740.39/3,069.05
  6. Step 6: Final answer
    x = 2,499.06

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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.