Home / 2,184.65-3,014.81-1,189.93

Finding the Fourth Proportional to 2,184.65, 3,014.81 and 1,189.93

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Solution

The fourth proportional to 2,184.65, 3,014.81 and 1,189.93 is: 1,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.65 : 3,014.81 = 1,189.93 : x
  2. Step 2: Convert to fraction form
    2,184.65/3,014.81 = 1,189.93/x
  3. Step 3: Cross multiply
    2,184.65x = 3,014.81 × 1,189.93
  4. Step 4: Simplify right side
    2,184.65x = 3,587,399.38
  5. Step 5: Solve for x
    x = 3,587,399.38/2,184.65
  6. Step 6: Final answer
    x = 1,642.09

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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.