Home / 1,485.26-2,059.03-1,406.25

Finding the Fourth Proportional to 1,485.26, 2,059.03 and 1,406.25

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Solution

The fourth proportional to 1,485.26, 2,059.03 and 1,406.25 is: 1,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.26 : 2,059.03 = 1,406.25 : x
  2. Step 2: Convert to fraction form
    1,485.26/2,059.03 = 1,406.25/x
  3. Step 3: Cross multiply
    1,485.26x = 2,059.03 × 1,406.25
  4. Step 4: Simplify right side
    1,485.26x = 2,895,507.42
  5. Step 5: Solve for x
    x = 2,895,507.42/1,485.26
  6. Step 6: Final answer
    x = 1,949.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.