Home / 3,570.19-5,355.68-1,491.19

Finding the Fourth Proportional to 3,570.19, 5,355.68 and 1,491.19

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Solution

The fourth proportional to 3,570.19, 5,355.68 and 1,491.19 is: 2,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.19 : 5,355.68 = 1,491.19 : x
  2. Step 2: Convert to fraction form
    3,570.19/5,355.68 = 1,491.19/x
  3. Step 3: Cross multiply
    3,570.19x = 5,355.68 × 1,491.19
  4. Step 4: Simplify right side
    3,570.19x = 7,986,336.46
  5. Step 5: Solve for x
    x = 7,986,336.46/3,570.19
  6. Step 6: Final answer
    x = 2,236.95

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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.