Home / 1,881.29-2,593.31-1,582.40

Finding the Fourth Proportional to 1,881.29, 2,593.31 and 1,582.40

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Solution

The fourth proportional to 1,881.29, 2,593.31 and 1,582.40 is: 2,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.29 : 2,593.31 = 1,582.40 : x
  2. Step 2: Convert to fraction form
    1,881.29/2,593.31 = 1,582.40/x
  3. Step 3: Cross multiply
    1,881.29x = 2,593.31 × 1,582.40
  4. Step 4: Simplify right side
    1,881.29x = 4,103,632.87
  5. Step 5: Solve for x
    x = 4,103,632.87/1,881.29
  6. Step 6: Final answer
    x = 2,181.29

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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.