Home / 1,531.26-2,110.86-941.34

Finding the Fourth Proportional to 1,531.26, 2,110.86 and 941.34

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Solution

The fourth proportional to 1,531.26, 2,110.86 and 941.34 is: 1,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.26 : 2,110.86 = 941.34 : x
  2. Step 2: Convert to fraction form
    1,531.26/2,110.86 = 941.34/x
  3. Step 3: Cross multiply
    1,531.26x = 2,110.86 × 941.34
  4. Step 4: Simplify right side
    1,531.26x = 1,987,036.95
  5. Step 5: Solve for x
    x = 1,987,036.95/1,531.26
  6. Step 6: Final answer
    x = 1,297.65

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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.