Home / 2,976.64-4,107.76-1,650.43

Finding the Fourth Proportional to 2,976.64, 4,107.76 and 1,650.43

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Solution

The fourth proportional to 2,976.64, 4,107.76 and 1,650.43 is: 2,277.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.64 : 4,107.76 = 1,650.43 : x
  2. Step 2: Convert to fraction form
    2,976.64/4,107.76 = 1,650.43/x
  3. Step 3: Cross multiply
    2,976.64x = 4,107.76 × 1,650.43
  4. Step 4: Simplify right side
    2,976.64x = 6,779,570.34
  5. Step 5: Solve for x
    x = 6,779,570.34/2,976.64
  6. Step 6: Final answer
    x = 2,277.59

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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.