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Finding the Fourth Proportional to 1,800.24, 2,484 and 1,054.32

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Solution

The fourth proportional to 1,800.24, 2,484 and 1,054.32 is: 1,454.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.24 : 2,484 = 1,054.32 : x
  2. Step 2: Convert to fraction form
    1,800.24/2,484 = 1,054.32/x
  3. Step 3: Cross multiply
    1,800.24x = 2,484 × 1,054.32
  4. Step 4: Simplify right side
    1,800.24x = 2,618,930.88
  5. Step 5: Solve for x
    x = 2,618,930.88/1,800.24
  6. Step 6: Final answer
    x = 1,454.77

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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.