Home / 2,830.14-4,243.88-1,075.48

Finding the Fourth Proportional to 2,830.14, 4,243.88 and 1,075.48

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Solution

The fourth proportional to 2,830.14, 4,243.88 and 1,075.48 is: 1,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.14 : 4,243.88 = 1,075.48 : x
  2. Step 2: Convert to fraction form
    2,830.14/4,243.88 = 1,075.48/x
  3. Step 3: Cross multiply
    2,830.14x = 4,243.88 × 1,075.48
  4. Step 4: Simplify right side
    2,830.14x = 4,564,208.06
  5. Step 5: Solve for x
    x = 4,564,208.06/2,830.14
  6. Step 6: Final answer
    x = 1,612.71

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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.