Home / 2,782.08-4,164.48-1,480.32

Finding the Fourth Proportional to 2,782.08, 4,164.48 and 1,480.32

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Solution

The fourth proportional to 2,782.08, 4,164.48 and 1,480.32 is: 2,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.08 : 4,164.48 = 1,480.32 : x
  2. Step 2: Convert to fraction form
    2,782.08/4,164.48 = 1,480.32/x
  3. Step 3: Cross multiply
    2,782.08x = 4,164.48 × 1,480.32
  4. Step 4: Simplify right side
    2,782.08x = 6,164,763.03
  5. Step 5: Solve for x
    x = 6,164,763.03/2,782.08
  6. Step 6: Final answer
    x = 2,215.88

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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.