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Finding the Fourth Proportional to 1,763.83, 2,644.63 and 885.28

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Solution

The fourth proportional to 1,763.83, 2,644.63 and 885.28 is: 1,327.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.83 : 2,644.63 = 885.28 : x
  2. Step 2: Convert to fraction form
    1,763.83/2,644.63 = 885.28/x
  3. Step 3: Cross multiply
    1,763.83x = 2,644.63 × 885.28
  4. Step 4: Simplify right side
    1,763.83x = 2,341,238.05
  5. Step 5: Solve for x
    x = 2,341,238.05/1,763.83
  6. Step 6: Final answer
    x = 1,327.36

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1.5x scale

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.