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Finding the Fourth Proportional to 1,903.92, 2,630.07 and 1,804.17

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Solution

The fourth proportional to 1,903.92, 2,630.07 and 1,804.17 is: 2,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.92 : 2,630.07 = 1,804.17 : x
  2. Step 2: Convert to fraction form
    1,903.92/2,630.07 = 1,804.17/x
  3. Step 3: Cross multiply
    1,903.92x = 2,630.07 × 1,804.17
  4. Step 4: Simplify right side
    1,903.92x = 4,745,071.22
  5. Step 5: Solve for x
    x = 4,745,071.22/1,903.92
  6. Step 6: Final answer
    x = 2,492.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.