Home / 1,965.42-2,941.38-1,551.06

Finding the Fourth Proportional to 1,965.42, 2,941.38 and 1,551.06

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Solution

The fourth proportional to 1,965.42, 2,941.38 and 1,551.06 is: 2,321.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.42 : 2,941.38 = 1,551.06 : x
  2. Step 2: Convert to fraction form
    1,965.42/2,941.38 = 1,551.06/x
  3. Step 3: Cross multiply
    1,965.42x = 2,941.38 × 1,551.06
  4. Step 4: Simplify right side
    1,965.42x = 4,562,256.86
  5. Step 5: Solve for x
    x = 4,562,256.86/1,965.42
  6. Step 6: Final answer
    x = 2,321.26

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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.