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Finding the Fourth Proportional to 1,700.10, 2,550.96 and 969.93

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Solution

The fourth proportional to 1,700.10, 2,550.96 and 969.93 is: 1,455.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.10 : 2,550.96 = 969.93 : x
  2. Step 2: Convert to fraction form
    1,700.10/2,550.96 = 969.93/x
  3. Step 3: Cross multiply
    1,700.10x = 2,550.96 × 969.93
  4. Step 4: Simplify right side
    1,700.10x = 2,474,252.63
  5. Step 5: Solve for x
    x = 2,474,252.63/1,700.10
  6. Step 6: Final answer
    x = 1,455.36

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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.