Home / 2,750.05-4,124.43-1,639.77

Finding the Fourth Proportional to 2,750.05, 4,124.43 and 1,639.77

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Solution

The fourth proportional to 2,750.05, 4,124.43 and 1,639.77 is: 2,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.05 : 4,124.43 = 1,639.77 : x
  2. Step 2: Convert to fraction form
    2,750.05/4,124.43 = 1,639.77/x
  3. Step 3: Cross multiply
    2,750.05x = 4,124.43 × 1,639.77
  4. Step 4: Simplify right side
    2,750.05x = 6,763,124.31
  5. Step 5: Solve for x
    x = 6,763,124.31/2,750.05
  6. Step 6: Final answer
    x = 2,459.28

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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.