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Finding the Fourth Proportional to 1,803.11, 2,705.04 and 1,023.47

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Solution

The fourth proportional to 1,803.11, 2,705.04 and 1,023.47 is: 1,535.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.11 : 2,705.04 = 1,023.47 : x
  2. Step 2: Convert to fraction form
    1,803.11/2,705.04 = 1,023.47/x
  3. Step 3: Cross multiply
    1,803.11x = 2,705.04 × 1,023.47
  4. Step 4: Simplify right side
    1,803.11x = 2,768,513.76
  5. Step 5: Solve for x
    x = 2,768,513.76/1,803.11
  6. Step 6: Final answer
    x = 1,535.41

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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.