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Finding the Fourth Proportional to 1,602.06, 2,403.81 and 627.84

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Solution

The fourth proportional to 1,602.06, 2,403.81 and 627.84 is: 942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602.06 : 2,403.81 = 627.84 : x
  2. Step 2: Convert to fraction form
    1,602.06/2,403.81 = 627.84/x
  3. Step 3: Cross multiply
    1,602.06x = 2,403.81 × 627.84
  4. Step 4: Simplify right side
    1,602.06x = 1,509,208.07
  5. Step 5: Solve for x
    x = 1,509,208.07/1,602.06
  6. Step 6: Final answer
    x = 942.04

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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.