Home / 2,475.25-3,415.26-1,427.32

Finding the Fourth Proportional to 2,475.25, 3,415.26 and 1,427.32

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Solution

The fourth proportional to 2,475.25, 3,415.26 and 1,427.32 is: 1,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.25 : 3,415.26 = 1,427.32 : x
  2. Step 2: Convert to fraction form
    2,475.25/3,415.26 = 1,427.32/x
  3. Step 3: Cross multiply
    2,475.25x = 3,415.26 × 1,427.32
  4. Step 4: Simplify right side
    2,475.25x = 4,874,668.90
  5. Step 5: Solve for x
    x = 4,874,668.90/2,475.25
  6. Step 6: Final answer
    x = 1,969.36

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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.