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Finding the Fourth Proportional to 2,002.88, 3,004.70 and 615.96

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Solution

The fourth proportional to 2,002.88, 3,004.70 and 615.96 is: 924.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.88 : 3,004.70 = 615.96 : x
  2. Step 2: Convert to fraction form
    2,002.88/3,004.70 = 615.96/x
  3. Step 3: Cross multiply
    2,002.88x = 3,004.70 × 615.96
  4. Step 4: Simplify right side
    2,002.88x = 1,850,785.51
  5. Step 5: Solve for x
    x = 1,850,785.51/2,002.88
  6. Step 6: Final answer
    x = 924.06

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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.