Home / 1,790.74-2,681.14-1,350.65

Finding the Fourth Proportional to 1,790.74, 2,681.14 and 1,350.65

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Solution

The fourth proportional to 1,790.74, 2,681.14 and 1,350.65 is: 2,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.74 : 2,681.14 = 1,350.65 : x
  2. Step 2: Convert to fraction form
    1,790.74/2,681.14 = 1,350.65/x
  3. Step 3: Cross multiply
    1,790.74x = 2,681.14 × 1,350.65
  4. Step 4: Simplify right side
    1,790.74x = 3,621,281.74
  5. Step 5: Solve for x
    x = 3,621,281.74/1,790.74
  6. Step 6: Final answer
    x = 2,022.23

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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.