Home / 2,759.02-4,138.52-1,297.36

Finding the Fourth Proportional to 2,759.02, 4,138.52 and 1,297.36

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Solution

The fourth proportional to 2,759.02, 4,138.52 and 1,297.36 is: 1,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.02 : 4,138.52 = 1,297.36 : x
  2. Step 2: Convert to fraction form
    2,759.02/4,138.52 = 1,297.36/x
  3. Step 3: Cross multiply
    2,759.02x = 4,138.52 × 1,297.36
  4. Step 4: Simplify right side
    2,759.02x = 5,369,150.31
  5. Step 5: Solve for x
    x = 5,369,150.31/2,759.02
  6. Step 6: Final answer
    x = 1,946.04

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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.