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Finding the Fourth Proportional to 1,800.52, 2,484.69 and 1,138.52

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Solution

The fourth proportional to 1,800.52, 2,484.69 and 1,138.52 is: 1,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.52 : 2,484.69 = 1,138.52 : x
  2. Step 2: Convert to fraction form
    1,800.52/2,484.69 = 1,138.52/x
  3. Step 3: Cross multiply
    1,800.52x = 2,484.69 × 1,138.52
  4. Step 4: Simplify right side
    1,800.52x = 2,828,869.26
  5. Step 5: Solve for x
    x = 2,828,869.26/1,800.52
  6. Step 6: Final answer
    x = 1,571.14

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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.