Home / 3,190.01-4,785.30-999.05

Finding the Fourth Proportional to 3,190.01, 4,785.30 and 999.05

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Solution

The fourth proportional to 3,190.01, 4,785.30 and 999.05 is: 1,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.01 : 4,785.30 = 999.05 : x
  2. Step 2: Convert to fraction form
    3,190.01/4,785.30 = 999.05/x
  3. Step 3: Cross multiply
    3,190.01x = 4,785.30 × 999.05
  4. Step 4: Simplify right side
    3,190.01x = 4,780,730.04
  5. Step 5: Solve for x
    x = 4,780,730.04/3,190.01
  6. Step 6: Final answer
    x = 1,498.66

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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.