Home / 2,106.13-2,907.14-1,359.51

Finding the Fourth Proportional to 2,106.13, 2,907.14 and 1,359.51

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Solution

The fourth proportional to 2,106.13, 2,907.14 and 1,359.51 is: 1,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.13 : 2,907.14 = 1,359.51 : x
  2. Step 2: Convert to fraction form
    2,106.13/2,907.14 = 1,359.51/x
  3. Step 3: Cross multiply
    2,106.13x = 2,907.14 × 1,359.51
  4. Step 4: Simplify right side
    2,106.13x = 3,952,285.90
  5. Step 5: Solve for x
    x = 3,952,285.90/2,106.13
  6. Step 6: Final answer
    x = 1,876.56

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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.