Home / 2,447.15-3,670.62-1,665.19

Finding the Fourth Proportional to 2,447.15, 3,670.62 and 1,665.19

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Solution

The fourth proportional to 2,447.15, 3,670.62 and 1,665.19 is: 2,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.15 : 3,670.62 = 1,665.19 : x
  2. Step 2: Convert to fraction form
    2,447.15/3,670.62 = 1,665.19/x
  3. Step 3: Cross multiply
    2,447.15x = 3,670.62 × 1,665.19
  4. Step 4: Simplify right side
    2,447.15x = 6,112,278.06
  5. Step 5: Solve for x
    x = 6,112,278.06/2,447.15
  6. Step 6: Final answer
    x = 2,497.72

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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.