Home / 2,083.40-2,871.14-1,492.91

Finding the Fourth Proportional to 2,083.40, 2,871.14 and 1,492.91

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Solution

The fourth proportional to 2,083.40, 2,871.14 and 1,492.91 is: 2,057.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.40 : 2,871.14 = 1,492.91 : x
  2. Step 2: Convert to fraction form
    2,083.40/2,871.14 = 1,492.91/x
  3. Step 3: Cross multiply
    2,083.40x = 2,871.14 × 1,492.91
  4. Step 4: Simplify right side
    2,083.40x = 4,286,353.62
  5. Step 5: Solve for x
    x = 4,286,353.62/2,083.40
  6. Step 6: Final answer
    x = 2,057.38

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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.