Home / 2,516.45-3,474.14-1,678.32

Finding the Fourth Proportional to 2,516.45, 3,474.14 and 1,678.32

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Solution

The fourth proportional to 2,516.45, 3,474.14 and 1,678.32 is: 2,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.45 : 3,474.14 = 1,678.32 : x
  2. Step 2: Convert to fraction form
    2,516.45/3,474.14 = 1,678.32/x
  3. Step 3: Cross multiply
    2,516.45x = 3,474.14 × 1,678.32
  4. Step 4: Simplify right side
    2,516.45x = 5,830,710.25
  5. Step 5: Solve for x
    x = 5,830,710.25/2,516.45
  6. Step 6: Final answer
    x = 2,317.04

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