Home / 3,013.20-4,519.40-1,066.77

Finding the Fourth Proportional to 3,013.20, 4,519.40 and 1,066.77

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Solution

The fourth proportional to 3,013.20, 4,519.40 and 1,066.77 is: 1,600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.20 : 4,519.40 = 1,066.77 : x
  2. Step 2: Convert to fraction form
    3,013.20/4,519.40 = 1,066.77/x
  3. Step 3: Cross multiply
    3,013.20x = 4,519.40 × 1,066.77
  4. Step 4: Simplify right side
    3,013.20x = 4,821,155.00
  5. Step 5: Solve for x
    x = 4,821,155.00/3,013.20
  6. Step 6: Final answer
    x = 1,600.01

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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.