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Finding the Fourth Proportional to 1,800.39, 2,484.57 and 1,054.79

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Solution

The fourth proportional to 1,800.39, 2,484.57 and 1,054.79 is: 1,455.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.39 : 2,484.57 = 1,054.79 : x
  2. Step 2: Convert to fraction form
    1,800.39/2,484.57 = 1,054.79/x
  3. Step 3: Cross multiply
    1,800.39x = 2,484.57 × 1,054.79
  4. Step 4: Simplify right side
    1,800.39x = 2,620,687.17
  5. Step 5: Solve for x
    x = 2,620,687.17/1,800.39
  6. Step 6: Final answer
    x = 1,455.62

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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.