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Finding the Fourth Proportional to 2,320, 3,480 and 933.94

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Solution

The fourth proportional to 2,320, 3,480 and 933.94 is: 1,400.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320 : 3,480 = 933.94 : x
  2. Step 2: Convert to fraction form
    2,320/3,480 = 933.94/x
  3. Step 3: Cross multiply
    2,320x = 3,480 × 933.94
  4. Step 4: Simplify right side
    2,320x = 3,250,111.20
  5. Step 5: Solve for x
    x = 3,250,111.20/2,320
  6. Step 6: Final answer
    x = 1,400.91

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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.