Home / 2,970.85-4,099.60-1,743.37

Finding the Fourth Proportional to 2,970.85, 4,099.60 and 1,743.37

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Solution

The fourth proportional to 2,970.85, 4,099.60 and 1,743.37 is: 2,405.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.85 : 4,099.60 = 1,743.37 : x
  2. Step 2: Convert to fraction form
    2,970.85/4,099.60 = 1,743.37/x
  3. Step 3: Cross multiply
    2,970.85x = 4,099.60 × 1,743.37
  4. Step 4: Simplify right side
    2,970.85x = 7,147,132.19
  5. Step 5: Solve for x
    x = 7,147,132.19/2,970.85
  6. Step 6: Final answer
    x = 2,405.75

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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.