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Finding the Fourth Proportional to 2,335.12, 3,502.68 and 603.72

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Solution

The fourth proportional to 2,335.12, 3,502.68 and 603.72 is: 905.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.12 : 3,502.68 = 603.72 : x
  2. Step 2: Convert to fraction form
    2,335.12/3,502.68 = 603.72/x
  3. Step 3: Cross multiply
    2,335.12x = 3,502.68 × 603.72
  4. Step 4: Simplify right side
    2,335.12x = 2,114,637.97
  5. Step 5: Solve for x
    x = 2,114,637.97/2,335.12
  6. Step 6: Final answer
    x = 905.58

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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.