Home / 3,090.06-4,632.21-1,140.75

Finding the Fourth Proportional to 3,090.06, 4,632.21 and 1,140.75

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Solution

The fourth proportional to 3,090.06, 4,632.21 and 1,140.75 is: 1,710.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.06 : 4,632.21 = 1,140.75 : x
  2. Step 2: Convert to fraction form
    3,090.06/4,632.21 = 1,140.75/x
  3. Step 3: Cross multiply
    3,090.06x = 4,632.21 × 1,140.75
  4. Step 4: Simplify right side
    3,090.06x = 5,284,193.56
  5. Step 5: Solve for x
    x = 5,284,193.56/3,090.06
  6. Step 6: Final answer
    x = 1,710.06

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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.