Home / 1,869.08-2,579.65-1,374.27

Finding the Fourth Proportional to 1,869.08, 2,579.65 and 1,374.27

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Solution

The fourth proportional to 1,869.08, 2,579.65 and 1,374.27 is: 1,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.08 : 2,579.65 = 1,374.27 : x
  2. Step 2: Convert to fraction form
    1,869.08/2,579.65 = 1,374.27/x
  3. Step 3: Cross multiply
    1,869.08x = 2,579.65 × 1,374.27
  4. Step 4: Simplify right side
    1,869.08x = 3,545,122.50
  5. Step 5: Solve for x
    x = 3,545,122.50/1,869.08
  6. Step 6: Final answer
    x = 1,896.73

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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.