Home / 1,871.33-2,582.26-1,808.42

Finding the Fourth Proportional to 1,871.33, 2,582.26 and 1,808.42

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Solution

The fourth proportional to 1,871.33, 2,582.26 and 1,808.42 is: 2,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.33 : 2,582.26 = 1,808.42 : x
  2. Step 2: Convert to fraction form
    1,871.33/2,582.26 = 1,808.42/x
  3. Step 3: Cross multiply
    1,871.33x = 2,582.26 × 1,808.42
  4. Step 4: Simplify right side
    1,871.33x = 4,669,793.20
  5. Step 5: Solve for x
    x = 4,669,793.20/1,871.33
  6. Step 6: Final answer
    x = 2,495.45

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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.