Home / 2,750.42-3,795.60-1,491.50

Finding the Fourth Proportional to 2,750.42, 3,795.60 and 1,491.50

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Solution

The fourth proportional to 2,750.42, 3,795.60 and 1,491.50 is: 2,058.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.42 : 3,795.60 = 1,491.50 : x
  2. Step 2: Convert to fraction form
    2,750.42/3,795.60 = 1,491.50/x
  3. Step 3: Cross multiply
    2,750.42x = 3,795.60 × 1,491.50
  4. Step 4: Simplify right side
    2,750.42x = 5,661,137.40
  5. Step 5: Solve for x
    x = 5,661,137.40/2,750.42
  6. Step 6: Final answer
    x = 2,058.28

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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.