Home / 1,965.37-2,946.43-1,347.55

Finding the Fourth Proportional to 1,965.37, 2,946.43 and 1,347.55

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Solution

The fourth proportional to 1,965.37, 2,946.43 and 1,347.55 is: 2,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.37 : 2,946.43 = 1,347.55 : x
  2. Step 2: Convert to fraction form
    1,965.37/2,946.43 = 1,347.55/x
  3. Step 3: Cross multiply
    1,965.37x = 2,946.43 × 1,347.55
  4. Step 4: Simplify right side
    1,965.37x = 3,970,461.75
  5. Step 5: Solve for x
    x = 3,970,461.75/1,965.37
  6. Step 6: Final answer
    x = 2,020.21

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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.