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Finding the Fourth Proportional to 2,676.76, 4,012.06 and 1,798.20

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Solution

The fourth proportional to 2,676.76, 4,012.06 and 1,798.20 is: 2,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.76 : 4,012.06 = 1,798.20 : x
  2. Step 2: Convert to fraction form
    2,676.76/4,012.06 = 1,798.20/x
  3. Step 3: Cross multiply
    2,676.76x = 4,012.06 × 1,798.20
  4. Step 4: Simplify right side
    2,676.76x = 7,214,485.17
  5. Step 5: Solve for x
    x = 7,214,485.17/2,676.76
  6. Step 6: Final answer
    x = 2,695.23

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1.5x scale

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.