Home / 3,570.45-5,357.58-1,491.87

Finding the Fourth Proportional to 3,570.45, 5,357.58 and 1,491.87

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Solution

The fourth proportional to 3,570.45, 5,357.58 and 1,491.87 is: 2,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.45 : 5,357.58 = 1,491.87 : x
  2. Step 2: Convert to fraction form
    3,570.45/5,357.58 = 1,491.87/x
  3. Step 3: Cross multiply
    3,570.45x = 5,357.58 × 1,491.87
  4. Step 4: Simplify right side
    3,570.45x = 7,992,812.87
  5. Step 5: Solve for x
    x = 7,992,812.87/3,570.45
  6. Step 6: Final answer
    x = 2,238.60

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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.