Home / 1,786.44-2,459.93-1,491.20

Finding the Fourth Proportional to 1,786.44, 2,459.93 and 1,491.20

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Solution

The fourth proportional to 1,786.44, 2,459.93 and 1,491.20 is: 2,053.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.44 : 2,459.93 = 1,491.20 : x
  2. Step 2: Convert to fraction form
    1,786.44/2,459.93 = 1,491.20/x
  3. Step 3: Cross multiply
    1,786.44x = 2,459.93 × 1,491.20
  4. Step 4: Simplify right side
    1,786.44x = 3,668,247.62
  5. Step 5: Solve for x
    x = 3,668,247.62/1,786.44
  6. Step 6: Final answer
    x = 2,053.38

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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.