Home / 2,810.24-3,883.28-2,675.36

Finding the Fourth Proportional to 2,810.24, 3,883.28 and 2,675.36

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Solution

The fourth proportional to 2,810.24, 3,883.28 and 2,675.36 is: 3,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.24 : 3,883.28 = 2,675.36 : x
  2. Step 2: Convert to fraction form
    2,810.24/3,883.28 = 2,675.36/x
  3. Step 3: Cross multiply
    2,810.24x = 3,883.28 × 2,675.36
  4. Step 4: Simplify right side
    2,810.24x = 10,389,171.98
  5. Step 5: Solve for x
    x = 10,389,171.98/2,810.24
  6. Step 6: Final answer
    x = 3,696.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.