Home / 3,089.24-4,630.62-1,140.20

Finding the Fourth Proportional to 3,089.24, 4,630.62 and 1,140.20

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Solution

The fourth proportional to 3,089.24, 4,630.62 and 1,140.20 is: 1,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.24 : 4,630.62 = 1,140.20 : x
  2. Step 2: Convert to fraction form
    3,089.24/4,630.62 = 1,140.20/x
  3. Step 3: Cross multiply
    3,089.24x = 4,630.62 × 1,140.20
  4. Step 4: Simplify right side
    3,089.24x = 5,279,832.92
  5. Step 5: Solve for x
    x = 5,279,832.92/3,089.24
  6. Step 6: Final answer
    x = 1,709.10

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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.