Home / 1,317.26-1,973.16-1,071.23

Finding the Fourth Proportional to 1,317.26, 1,973.16 and 1,071.23

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Solution

The fourth proportional to 1,317.26, 1,973.16 and 1,071.23 is: 1,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317.26 : 1,973.16 = 1,071.23 : x
  2. Step 2: Convert to fraction form
    1,317.26/1,973.16 = 1,071.23/x
  3. Step 3: Cross multiply
    1,317.26x = 1,973.16 × 1,071.23
  4. Step 4: Simplify right side
    1,317.26x = 2,113,698.32
  5. Step 5: Solve for x
    x = 2,113,698.32/1,317.26
  6. Step 6: Final answer
    x = 1,604.61

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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.