Home / 2,184.29-3,014.23-1,189.58

Finding the Fourth Proportional to 2,184.29, 3,014.23 and 1,189.58

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Solution

The fourth proportional to 2,184.29, 3,014.23 and 1,189.58 is: 1,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.29 : 3,014.23 = 1,189.58 : x
  2. Step 2: Convert to fraction form
    2,184.29/3,014.23 = 1,189.58/x
  3. Step 3: Cross multiply
    2,184.29x = 3,014.23 × 1,189.58
  4. Step 4: Simplify right side
    2,184.29x = 3,585,657.21
  5. Step 5: Solve for x
    x = 3,585,657.21/2,184.29
  6. Step 6: Final answer
    x = 1,641.56

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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.