Home / 1,784.57-2,676.58-1,091.00

Finding the Fourth Proportional to 1,784.57, 2,676.58 and 1,091.00

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Solution

The fourth proportional to 1,784.57, 2,676.58 and 1,091.00 is: 1,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.57 : 2,676.58 = 1,091.00 : x
  2. Step 2: Convert to fraction form
    1,784.57/2,676.58 = 1,091.00/x
  3. Step 3: Cross multiply
    1,784.57x = 2,676.58 × 1,091.00
  4. Step 4: Simplify right side
    1,784.57x = 2,920,152.74
  5. Step 5: Solve for x
    x = 2,920,152.74/1,784.57
  6. Step 6: Final answer
    x = 1,636.34

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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.