Home / 3,107.02-4,659.09-1,256.59

Finding the Fourth Proportional to 3,107.02, 4,659.09 and 1,256.59

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Solution

The fourth proportional to 3,107.02, 4,659.09 and 1,256.59 is: 1,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.02 : 4,659.09 = 1,256.59 : x
  2. Step 2: Convert to fraction form
    3,107.02/4,659.09 = 1,256.59/x
  3. Step 3: Cross multiply
    3,107.02x = 4,659.09 × 1,256.59
  4. Step 4: Simplify right side
    3,107.02x = 5,854,565.90
  5. Step 5: Solve for x
    x = 5,854,565.90/3,107.02
  6. Step 6: Final answer
    x = 1,884.30

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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.