Home / 1,869.08-2,579.34-1,083.32

Finding the Fourth Proportional to 1,869.08, 2,579.34 and 1,083.32

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Solution

The fourth proportional to 1,869.08, 2,579.34 and 1,083.32 is: 1,494.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.08 : 2,579.34 = 1,083.32 : x
  2. Step 2: Convert to fraction form
    1,869.08/2,579.34 = 1,083.32/x
  3. Step 3: Cross multiply
    1,869.08x = 2,579.34 × 1,083.32
  4. Step 4: Simplify right side
    1,869.08x = 2,794,250.61
  5. Step 5: Solve for x
    x = 2,794,250.61/1,869.08
  6. Step 6: Final answer
    x = 1,494.99

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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.