Home / 2,516.40-3,776.08-1,055.44

Finding the Fourth Proportional to 2,516.40, 3,776.08 and 1,055.44

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Solution

The fourth proportional to 2,516.40, 3,776.08 and 1,055.44 is: 1,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.40 : 3,776.08 = 1,055.44 : x
  2. Step 2: Convert to fraction form
    2,516.40/3,776.08 = 1,055.44/x
  3. Step 3: Cross multiply
    2,516.40x = 3,776.08 × 1,055.44
  4. Step 4: Simplify right side
    2,516.40x = 3,985,425.88
  5. Step 5: Solve for x
    x = 3,985,425.88/2,516.40
  6. Step 6: Final answer
    x = 1,583.78

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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.