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Finding the Fourth Proportional to 2,320.88, 3,203.04 and 1,326.24

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Solution

The fourth proportional to 2,320.88, 3,203.04 and 1,326.24 is: 1,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.88 : 3,203.04 = 1,326.24 : x
  2. Step 2: Convert to fraction form
    2,320.88/3,203.04 = 1,326.24/x
  3. Step 3: Cross multiply
    2,320.88x = 3,203.04 × 1,326.24
  4. Step 4: Simplify right side
    2,320.88x = 4,247,999.77
  5. Step 5: Solve for x
    x = 4,247,999.77/2,320.88
  6. Step 6: Final answer
    x = 1,830.34

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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.