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Finding the Fourth Proportional to 1,641.00, 2,455.73 and 1,025.00

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Solution

The fourth proportional to 1,641.00, 2,455.73 and 1,025.00 is: 1,533.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641.00 : 2,455.73 = 1,025.00 : x
  2. Step 2: Convert to fraction form
    1,641.00/2,455.73 = 1,025.00/x
  3. Step 3: Cross multiply
    1,641.00x = 2,455.73 × 1,025.00
  4. Step 4: Simplify right side
    1,641.00x = 2,517,111.99
  5. Step 5: Solve for x
    x = 2,517,111.99/1,641.00
  6. Step 6: Final answer
    x = 1,533.89

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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.