Home / 3,223.40-4,447.94-1,897.52

Finding the Fourth Proportional to 3,223.40, 4,447.94 and 1,897.52

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Solution

The fourth proportional to 3,223.40, 4,447.94 and 1,897.52 is: 2,618.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.40 : 4,447.94 = 1,897.52 : x
  2. Step 2: Convert to fraction form
    3,223.40/4,447.94 = 1,897.52/x
  3. Step 3: Cross multiply
    3,223.40x = 4,447.94 × 1,897.52
  4. Step 4: Simplify right side
    3,223.40x = 8,440,055.11
  5. Step 5: Solve for x
    x = 8,440,055.11/3,223.40
  6. Step 6: Final answer
    x = 2,618.37

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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.