Home / 2,095.23-3,141.99-1,121.16

Finding the Fourth Proportional to 2,095.23, 3,141.99 and 1,121.16

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Solution

The fourth proportional to 2,095.23, 3,141.99 and 1,121.16 is: 1,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.23 : 3,141.99 = 1,121.16 : x
  2. Step 2: Convert to fraction form
    2,095.23/3,141.99 = 1,121.16/x
  3. Step 3: Cross multiply
    2,095.23x = 3,141.99 × 1,121.16
  4. Step 4: Simplify right side
    2,095.23x = 3,522,673.51
  5. Step 5: Solve for x
    x = 3,522,673.51/2,095.23
  6. Step 6: Final answer
    x = 1,681.28

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1.5x scale

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.