Home / 2,321.04-3,481.02-1,089.30

Finding the Fourth Proportional to 2,321.04, 3,481.02 and 1,089.30

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Solution

The fourth proportional to 2,321.04, 3,481.02 and 1,089.30 is: 1,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.04 : 3,481.02 = 1,089.30 : x
  2. Step 2: Convert to fraction form
    2,321.04/3,481.02 = 1,089.30/x
  3. Step 3: Cross multiply
    2,321.04x = 3,481.02 × 1,089.30
  4. Step 4: Simplify right side
    2,321.04x = 3,791,875.09
  5. Step 5: Solve for x
    x = 3,791,875.09/2,321.04
  6. Step 6: Final answer
    x = 1,633.70

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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.