Home / 2,852.75-4,280.64-1,210.43

Finding the Fourth Proportional to 2,852.75, 4,280.64 and 1,210.43

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Solution

The fourth proportional to 2,852.75, 4,280.64 and 1,210.43 is: 1,816.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.75 : 4,280.64 = 1,210.43 : x
  2. Step 2: Convert to fraction form
    2,852.75/4,280.64 = 1,210.43/x
  3. Step 3: Cross multiply
    2,852.75x = 4,280.64 × 1,210.43
  4. Step 4: Simplify right side
    2,852.75x = 5,181,415.08
  5. Step 5: Solve for x
    x = 5,181,415.08/2,852.75
  6. Step 6: Final answer
    x = 1,816.29

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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.