Home / 1,465.16-2,195.42-1,189.91

Finding the Fourth Proportional to 1,465.16, 2,195.42 and 1,189.91

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Solution

The fourth proportional to 1,465.16, 2,195.42 and 1,189.91 is: 1,782.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.16 : 2,195.42 = 1,189.91 : x
  2. Step 2: Convert to fraction form
    1,465.16/2,195.42 = 1,189.91/x
  3. Step 3: Cross multiply
    1,465.16x = 2,195.42 × 1,189.91
  4. Step 4: Simplify right side
    1,465.16x = 2,612,351.75
  5. Step 5: Solve for x
    x = 2,612,351.75/1,465.16
  6. Step 6: Final answer
    x = 1,782.99

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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.