Home / 3,223.81-4,448.99-1,897.45

Finding the Fourth Proportional to 3,223.81, 4,448.99 and 1,897.45

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Solution

The fourth proportional to 3,223.81, 4,448.99 and 1,897.45 is: 2,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.81 : 4,448.99 = 1,897.45 : x
  2. Step 2: Convert to fraction form
    3,223.81/4,448.99 = 1,897.45/x
  3. Step 3: Cross multiply
    3,223.81x = 4,448.99 × 1,897.45
  4. Step 4: Simplify right side
    3,223.81x = 8,441,726.59
  5. Step 5: Solve for x
    x = 8,441,726.59/3,223.81
  6. Step 6: Final answer
    x = 2,618.56

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1.5x scale

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.