Home / 1,882.51-2,818.55-1,418.89

Finding the Fourth Proportional to 1,882.51, 2,818.55 and 1,418.89

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Solution

The fourth proportional to 1,882.51, 2,818.55 and 1,418.89 is: 2,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.51 : 2,818.55 = 1,418.89 : x
  2. Step 2: Convert to fraction form
    1,882.51/2,818.55 = 1,418.89/x
  3. Step 3: Cross multiply
    1,882.51x = 2,818.55 × 1,418.89
  4. Step 4: Simplify right side
    1,882.51x = 3,999,212.41
  5. Step 5: Solve for x
    x = 3,999,212.41/1,882.51
  6. Step 6: Final answer
    x = 2,124.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.