Home / 2,305.60-3,181.12-1,374.08

Finding the Fourth Proportional to 2,305.60, 3,181.12 and 1,374.08

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Solution

The fourth proportional to 2,305.60, 3,181.12 and 1,374.08 is: 1,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.60 : 3,181.12 = 1,374.08 : x
  2. Step 2: Convert to fraction form
    2,305.60/3,181.12 = 1,374.08/x
  3. Step 3: Cross multiply
    2,305.60x = 3,181.12 × 1,374.08
  4. Step 4: Simplify right side
    2,305.60x = 4,371,113.37
  5. Step 5: Solve for x
    x = 4,371,113.37/2,305.60
  6. Step 6: Final answer
    x = 1,895.87

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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.