Home / 3,098.22-4,647.64-1,342.88

Finding the Fourth Proportional to 3,098.22, 4,647.64 and 1,342.88

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Solution

The fourth proportional to 3,098.22, 4,647.64 and 1,342.88 is: 2,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.22 : 4,647.64 = 1,342.88 : x
  2. Step 2: Convert to fraction form
    3,098.22/4,647.64 = 1,342.88/x
  3. Step 3: Cross multiply
    3,098.22x = 4,647.64 × 1,342.88
  4. Step 4: Simplify right side
    3,098.22x = 6,241,222.80
  5. Step 5: Solve for x
    x = 6,241,222.80/3,098.22
  6. Step 6: Final answer
    x = 2,014.45

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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.