Home / 3,064.65-4,228.68-1,805.46

Finding the Fourth Proportional to 3,064.65, 4,228.68 and 1,805.46

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Solution

The fourth proportional to 3,064.65, 4,228.68 and 1,805.46 is: 2,491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.65 : 4,228.68 = 1,805.46 : x
  2. Step 2: Convert to fraction form
    3,064.65/4,228.68 = 1,805.46/x
  3. Step 3: Cross multiply
    3,064.65x = 4,228.68 × 1,805.46
  4. Step 4: Simplify right side
    3,064.65x = 7,634,712.59
  5. Step 5: Solve for x
    x = 7,634,712.59/3,064.65
  6. Step 6: Final answer
    x = 2,491.22

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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.