Home / 3,064.48-4,228.89-1,805.25

Finding the Fourth Proportional to 3,064.48, 4,228.89 and 1,805.25

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Solution

The fourth proportional to 3,064.48, 4,228.89 and 1,805.25 is: 2,491.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.48 : 4,228.89 = 1,805.25 : x
  2. Step 2: Convert to fraction form
    3,064.48/4,228.89 = 1,805.25/x
  3. Step 3: Cross multiply
    3,064.48x = 4,228.89 × 1,805.25
  4. Step 4: Simplify right side
    3,064.48x = 7,634,203.67
  5. Step 5: Solve for x
    x = 7,634,203.67/3,064.48
  6. Step 6: Final answer
    x = 2,491.19

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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.