Home / 3,005.12-4,508.04-1,155.80

Finding the Fourth Proportional to 3,005.12, 4,508.04 and 1,155.80

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Solution

The fourth proportional to 3,005.12, 4,508.04 and 1,155.80 is: 1,733.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.12 : 4,508.04 = 1,155.80 : x
  2. Step 2: Convert to fraction form
    3,005.12/4,508.04 = 1,155.80/x
  3. Step 3: Cross multiply
    3,005.12x = 4,508.04 × 1,155.80
  4. Step 4: Simplify right side
    3,005.12x = 5,210,392.63
  5. Step 5: Solve for x
    x = 5,210,392.63/3,005.12
  6. Step 6: Final answer
    x = 1,733.84

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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.