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Finding the Fourth Proportional to 2,223.92, 3,335.47 and 907.33

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Solution

The fourth proportional to 2,223.92, 3,335.47 and 907.33 is: 1,360.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.92 : 3,335.47 = 907.33 : x
  2. Step 2: Convert to fraction form
    2,223.92/3,335.47 = 907.33/x
  3. Step 3: Cross multiply
    2,223.92x = 3,335.47 × 907.33
  4. Step 4: Simplify right side
    2,223.92x = 3,026,361.39
  5. Step 5: Solve for x
    x = 3,026,361.39/2,223.92
  6. Step 6: Final answer
    x = 1,360.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.