Home / 2,907.63-4,012.50-1,581.33

Finding the Fourth Proportional to 2,907.63, 4,012.50 and 1,581.33

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Solution

The fourth proportional to 2,907.63, 4,012.50 and 1,581.33 is: 2,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.63 : 4,012.50 = 1,581.33 : x
  2. Step 2: Convert to fraction form
    2,907.63/4,012.50 = 1,581.33/x
  3. Step 3: Cross multiply
    2,907.63x = 4,012.50 × 1,581.33
  4. Step 4: Simplify right side
    2,907.63x = 6,345,070.52
  5. Step 5: Solve for x
    x = 6,345,070.52/2,907.63
  6. Step 6: Final answer
    x = 2,182.22

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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.