Home / 2,191.11-3,018.44-1,875.36

Finding the Fourth Proportional to 2,191.11, 3,018.44 and 1,875.36

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Solution

The fourth proportional to 2,191.11, 3,018.44 and 1,875.36 is: 2,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.11 : 3,018.44 = 1,875.36 : x
  2. Step 2: Convert to fraction form
    2,191.11/3,018.44 = 1,875.36/x
  3. Step 3: Cross multiply
    2,191.11x = 3,018.44 × 1,875.36
  4. Step 4: Simplify right side
    2,191.11x = 5,660,661.64
  5. Step 5: Solve for x
    x = 5,660,661.64/2,191.11
  6. Step 6: Final answer
    x = 2,583.47

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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.