Home / 3,089.03-4,632.30-1,140.80

Finding the Fourth Proportional to 3,089.03, 4,632.30 and 1,140.80

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Solution

The fourth proportional to 3,089.03, 4,632.30 and 1,140.80 is: 1,710.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.03 : 4,632.30 = 1,140.80 : x
  2. Step 2: Convert to fraction form
    3,089.03/4,632.30 = 1,140.80/x
  3. Step 3: Cross multiply
    3,089.03x = 4,632.30 × 1,140.80
  4. Step 4: Simplify right side
    3,089.03x = 5,284,504.68
  5. Step 5: Solve for x
    x = 5,284,504.68/3,089.03
  6. Step 6: Final answer
    x = 1,710.74

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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.