Home / 1,894.28-2,610.92-1,451.21

Finding the Fourth Proportional to 1,894.28, 2,610.92 and 1,451.21

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Solution

The fourth proportional to 1,894.28, 2,610.92 and 1,451.21 is: 2,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.28 : 2,610.92 = 1,451.21 : x
  2. Step 2: Convert to fraction form
    1,894.28/2,610.92 = 1,451.21/x
  3. Step 3: Cross multiply
    1,894.28x = 2,610.92 × 1,451.21
  4. Step 4: Simplify right side
    1,894.28x = 3,788,985.96
  5. Step 5: Solve for x
    x = 3,788,985.96/1,894.28
  6. Step 6: Final answer
    x = 2,000.22

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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.