Home / 2,920.05-4,029.50-1,660.93

Finding the Fourth Proportional to 2,920.05, 4,029.50 and 1,660.93

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Solution

The fourth proportional to 2,920.05, 4,029.50 and 1,660.93 is: 2,291.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.05 : 4,029.50 = 1,660.93 : x
  2. Step 2: Convert to fraction form
    2,920.05/4,029.50 = 1,660.93/x
  3. Step 3: Cross multiply
    2,920.05x = 4,029.50 × 1,660.93
  4. Step 4: Simplify right side
    2,920.05x = 6,692,717.44
  5. Step 5: Solve for x
    x = 6,692,717.44/2,920.05
  6. Step 6: Final answer
    x = 2,291.99

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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.