Home / 2,188.36-3,020.01-1,193.69

Finding the Fourth Proportional to 2,188.36, 3,020.01 and 1,193.69

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Solution

The fourth proportional to 2,188.36, 3,020.01 and 1,193.69 is: 1,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.36 : 3,020.01 = 1,193.69 : x
  2. Step 2: Convert to fraction form
    2,188.36/3,020.01 = 1,193.69/x
  3. Step 3: Cross multiply
    2,188.36x = 3,020.01 × 1,193.69
  4. Step 4: Simplify right side
    2,188.36x = 3,604,963.29
  5. Step 5: Solve for x
    x = 3,604,963.29/2,188.36
  6. Step 6: Final answer
    x = 1,647.34

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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.