Home / 3,089.22-4,634.60-897.98

Finding the Fourth Proportional to 3,089.22, 4,634.60 and 897.98

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Solution

The fourth proportional to 3,089.22, 4,634.60 and 897.98 is: 1,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.22 : 4,634.60 = 897.98 : x
  2. Step 2: Convert to fraction form
    3,089.22/4,634.60 = 897.98/x
  3. Step 3: Cross multiply
    3,089.22x = 4,634.60 × 897.98
  4. Step 4: Simplify right side
    3,089.22x = 4,161,750.45
  5. Step 5: Solve for x
    x = 4,161,750.45/3,089.22
  6. Step 6: Final answer
    x = 1,347.18

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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.