Home / 2,782.68-4,175.91-1,485.06

Finding the Fourth Proportional to 2,782.68, 4,175.91 and 1,485.06

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Solution

The fourth proportional to 2,782.68, 4,175.91 and 1,485.06 is: 2,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.68 : 4,175.91 = 1,485.06 : x
  2. Step 2: Convert to fraction form
    2,782.68/4,175.91 = 1,485.06/x
  3. Step 3: Cross multiply
    2,782.68x = 4,175.91 × 1,485.06
  4. Step 4: Simplify right side
    2,782.68x = 6,201,476.90
  5. Step 5: Solve for x
    x = 6,201,476.90/2,782.68
  6. Step 6: Final answer
    x = 2,228.60

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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.