Home / 2,953.97-4,426.49-1,782.68

Finding the Fourth Proportional to 2,953.97, 4,426.49 and 1,782.68

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Solution

The fourth proportional to 2,953.97, 4,426.49 and 1,782.68 is: 2,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.97 : 4,426.49 = 1,782.68 : x
  2. Step 2: Convert to fraction form
    2,953.97/4,426.49 = 1,782.68/x
  3. Step 3: Cross multiply
    2,953.97x = 4,426.49 × 1,782.68
  4. Step 4: Simplify right side
    2,953.97x = 7,890,984.15
  5. Step 5: Solve for x
    x = 7,890,984.15/2,953.97
  6. Step 6: Final answer
    x = 2,671.32

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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.