Home / 2,810.94-4,216.51-1,055.76

Finding the Fourth Proportional to 2,810.94, 4,216.51 and 1,055.76

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Solution

The fourth proportional to 2,810.94, 4,216.51 and 1,055.76 is: 1,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.94 : 4,216.51 = 1,055.76 : x
  2. Step 2: Convert to fraction form
    2,810.94/4,216.51 = 1,055.76/x
  3. Step 3: Cross multiply
    2,810.94x = 4,216.51 × 1,055.76
  4. Step 4: Simplify right side
    2,810.94x = 4,451,622.60
  5. Step 5: Solve for x
    x = 4,451,622.60/2,810.94
  6. Step 6: Final answer
    x = 1,583.68

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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.