Home / 3,159.51-4,739.24-1,079.49

Finding the Fourth Proportional to 3,159.51, 4,739.24 and 1,079.49

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Solution

The fourth proportional to 3,159.51, 4,739.24 and 1,079.49 is: 1,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.51 : 4,739.24 = 1,079.49 : x
  2. Step 2: Convert to fraction form
    3,159.51/4,739.24 = 1,079.49/x
  3. Step 3: Cross multiply
    3,159.51x = 4,739.24 × 1,079.49
  4. Step 4: Simplify right side
    3,159.51x = 5,115,956.79
  5. Step 5: Solve for x
    x = 5,115,956.79/3,159.51
  6. Step 6: Final answer
    x = 1,619.22

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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.