Home / 2,325.02-3,489.08-1,285.79

Finding the Fourth Proportional to 2,325.02, 3,489.08 and 1,285.79

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Solution

The fourth proportional to 2,325.02, 3,489.08 and 1,285.79 is: 1,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.02 : 3,489.08 = 1,285.79 : x
  2. Step 2: Convert to fraction form
    2,325.02/3,489.08 = 1,285.79/x
  3. Step 3: Cross multiply
    2,325.02x = 3,489.08 × 1,285.79
  4. Step 4: Simplify right side
    2,325.02x = 4,486,200.30
  5. Step 5: Solve for x
    x = 4,486,200.30/2,325.02
  6. Step 6: Final answer
    x = 1,929.54

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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.