Home / 2,848.02-3,930.19-1,589.05

Finding the Fourth Proportional to 2,848.02, 3,930.19 and 1,589.05

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Solution

The fourth proportional to 2,848.02, 3,930.19 and 1,589.05 is: 2,192.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.02 : 3,930.19 = 1,589.05 : x
  2. Step 2: Convert to fraction form
    2,848.02/3,930.19 = 1,589.05/x
  3. Step 3: Cross multiply
    2,848.02x = 3,930.19 × 1,589.05
  4. Step 4: Simplify right side
    2,848.02x = 6,245,268.42
  5. Step 5: Solve for x
    x = 6,245,268.42/2,848.02
  6. Step 6: Final answer
    x = 2,192.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.