Home / 2,516.21-3,770.47-1,054.57

Finding the Fourth Proportional to 2,516.21, 3,770.47 and 1,054.57

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Solution

The fourth proportional to 2,516.21, 3,770.47 and 1,054.57 is: 1,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.21 : 3,770.47 = 1,054.57 : x
  2. Step 2: Convert to fraction form
    2,516.21/3,770.47 = 1,054.57/x
  3. Step 3: Cross multiply
    2,516.21x = 3,770.47 × 1,054.57
  4. Step 4: Simplify right side
    2,516.21x = 3,976,215.12
  5. Step 5: Solve for x
    x = 3,976,215.12/2,516.21
  6. Step 6: Final answer
    x = 1,580.24

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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.