Home / 2,289.09-3,435.56-1,770.49

Finding the Fourth Proportional to 2,289.09, 3,435.56 and 1,770.49

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Solution

The fourth proportional to 2,289.09, 3,435.56 and 1,770.49 is: 2,657.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.09 : 3,435.56 = 1,770.49 : x
  2. Step 2: Convert to fraction form
    2,289.09/3,435.56 = 1,770.49/x
  3. Step 3: Cross multiply
    2,289.09x = 3,435.56 × 1,770.49
  4. Step 4: Simplify right side
    2,289.09x = 6,082,624.62
  5. Step 5: Solve for x
    x = 6,082,624.62/2,289.09
  6. Step 6: Final answer
    x = 2,657.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.