Home / 2,485.48-3,728.25-1,509.64

Finding the Fourth Proportional to 2,485.48, 3,728.25 and 1,509.64

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Solution

The fourth proportional to 2,485.48, 3,728.25 and 1,509.64 is: 2,264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.48 : 3,728.25 = 1,509.64 : x
  2. Step 2: Convert to fraction form
    2,485.48/3,728.25 = 1,509.64/x
  3. Step 3: Cross multiply
    2,485.48x = 3,728.25 × 1,509.64
  4. Step 4: Simplify right side
    2,485.48x = 5,628,315.33
  5. Step 5: Solve for x
    x = 5,628,315.33/2,485.48
  6. Step 6: Final answer
    x = 2,264.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.