Home / 1,516.13-2,271.75-1,273.13

Finding the Fourth Proportional to 1,516.13, 2,271.75 and 1,273.13

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Solution

The fourth proportional to 1,516.13, 2,271.75 and 1,273.13 is: 1,907.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.13 : 2,271.75 = 1,273.13 : x
  2. Step 2: Convert to fraction form
    1,516.13/2,271.75 = 1,273.13/x
  3. Step 3: Cross multiply
    1,516.13x = 2,271.75 × 1,273.13
  4. Step 4: Simplify right side
    1,516.13x = 2,892,221.72
  5. Step 5: Solve for x
    x = 2,892,221.72/1,516.13
  6. Step 6: Final answer
    x = 1,907.64

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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.