Home / 2,907.23-4,009.83-1,788.77

Finding the Fourth Proportional to 2,907.23, 4,009.83 and 1,788.77

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Solution

The fourth proportional to 2,907.23, 4,009.83 and 1,788.77 is: 2,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.23 : 4,009.83 = 1,788.77 : x
  2. Step 2: Convert to fraction form
    2,907.23/4,009.83 = 1,788.77/x
  3. Step 3: Cross multiply
    2,907.23x = 4,009.83 × 1,788.77
  4. Step 4: Simplify right side
    2,907.23x = 7,172,643.56
  5. Step 5: Solve for x
    x = 7,172,643.56/2,907.23
  6. Step 6: Final answer
    x = 2,467.18

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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.