Home / 2,445.03-3,374.19-1,382.85

Finding the Fourth Proportional to 2,445.03, 3,374.19 and 1,382.85

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Solution

The fourth proportional to 2,445.03, 3,374.19 and 1,382.85 is: 1,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.03 : 3,374.19 = 1,382.85 : x
  2. Step 2: Convert to fraction form
    2,445.03/3,374.19 = 1,382.85/x
  3. Step 3: Cross multiply
    2,445.03x = 3,374.19 × 1,382.85
  4. Step 4: Simplify right side
    2,445.03x = 4,665,998.64
  5. Step 5: Solve for x
    x = 4,665,998.64/2,445.03
  6. Step 6: Final answer
    x = 1,908.36

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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.