Home / 1,516.30-2,093.21-1,019.30

Finding the Fourth Proportional to 1,516.30, 2,093.21 and 1,019.30

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Solution

The fourth proportional to 1,516.30, 2,093.21 and 1,019.30 is: 1,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.30 : 2,093.21 = 1,019.30 : x
  2. Step 2: Convert to fraction form
    1,516.30/2,093.21 = 1,019.30/x
  3. Step 3: Cross multiply
    1,516.30x = 2,093.21 × 1,019.30
  4. Step 4: Simplify right side
    1,516.30x = 2,133,597.21
  5. Step 5: Solve for x
    x = 2,133,597.21/1,516.30
  6. Step 6: Final answer
    x = 1,407.11

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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.