Home / 3,079.07-4,619.33-999.08

Finding the Fourth Proportional to 3,079.07, 4,619.33 and 999.08

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Solution

The fourth proportional to 3,079.07, 4,619.33 and 999.08 is: 1,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.07 : 4,619.33 = 999.08 : x
  2. Step 2: Convert to fraction form
    3,079.07/4,619.33 = 999.08/x
  3. Step 3: Cross multiply
    3,079.07x = 4,619.33 × 999.08
  4. Step 4: Simplify right side
    3,079.07x = 4,615,052.12
  5. Step 5: Solve for x
    x = 4,615,052.12/3,079.07
  6. Step 6: Final answer
    x = 1,498.85

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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.