Home / 3,089.10-4,633.20-897.60

Finding the Fourth Proportional to 3,089.10, 4,633.20 and 897.60

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Solution

The fourth proportional to 3,089.10, 4,633.20 and 897.60 is: 1,346.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.10 : 4,633.20 = 897.60 : x
  2. Step 2: Convert to fraction form
    3,089.10/4,633.20 = 897.60/x
  3. Step 3: Cross multiply
    3,089.10x = 4,633.20 × 897.60
  4. Step 4: Simplify right side
    3,089.10x = 4,158,760.32
  5. Step 5: Solve for x
    x = 4,158,760.32/3,089.10
  6. Step 6: Final answer
    x = 1,346.27

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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.