Home / 2,184.56-3,014.75-1,189.85

Finding the Fourth Proportional to 2,184.56, 3,014.75 and 1,189.85

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Solution

The fourth proportional to 2,184.56, 3,014.75 and 1,189.85 is: 1,642.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.56 : 3,014.75 = 1,189.85 : x
  2. Step 2: Convert to fraction form
    2,184.56/3,014.75 = 1,189.85/x
  3. Step 3: Cross multiply
    2,184.56x = 3,014.75 × 1,189.85
  4. Step 4: Simplify right side
    2,184.56x = 3,587,094.34
  5. Step 5: Solve for x
    x = 3,587,094.34/2,184.56
  6. Step 6: Final answer
    x = 1,642.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.