Home / 2,907.44-4,012.24-1,581.18

Finding the Fourth Proportional to 2,907.44, 4,012.24 and 1,581.18

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Solution

The fourth proportional to 2,907.44, 4,012.24 and 1,581.18 is: 2,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.44 : 4,012.24 = 1,581.18 : x
  2. Step 2: Convert to fraction form
    2,907.44/4,012.24 = 1,581.18/x
  3. Step 3: Cross multiply
    2,907.44x = 4,012.24 × 1,581.18
  4. Step 4: Simplify right side
    2,907.44x = 6,344,073.64
  5. Step 5: Solve for x
    x = 6,344,073.64/2,907.44
  6. Step 6: Final answer
    x = 2,182.01

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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.