Home / 2,076.40-2,859.60-2,031.04

Finding the Fourth Proportional to 2,076.40, 2,859.60 and 2,031.04

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Solution

The fourth proportional to 2,076.40, 2,859.60 and 2,031.04 is: 2,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.40 : 2,859.60 = 2,031.04 : x
  2. Step 2: Convert to fraction form
    2,076.40/2,859.60 = 2,031.04/x
  3. Step 3: Cross multiply
    2,076.40x = 2,859.60 × 2,031.04
  4. Step 4: Simplify right side
    2,076.40x = 5,807,961.98
  5. Step 5: Solve for x
    x = 5,807,961.98/2,076.40
  6. Step 6: Final answer
    x = 2,797.13

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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.