Home / 2,801.93-3,866.40-2,707.56

Finding the Fourth Proportional to 2,801.93, 3,866.40 and 2,707.56

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Solution

The fourth proportional to 2,801.93, 3,866.40 and 2,707.56 is: 3,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.93 : 3,866.40 = 2,707.56 : x
  2. Step 2: Convert to fraction form
    2,801.93/3,866.40 = 2,707.56/x
  3. Step 3: Cross multiply
    2,801.93x = 3,866.40 × 2,707.56
  4. Step 4: Simplify right side
    2,801.93x = 10,468,509.98
  5. Step 5: Solve for x
    x = 10,468,509.98/2,801.93
  6. Step 6: Final answer
    x = 3,736.18

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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.