Home / 1,820.26-2,512.68-1,157.47

Finding the Fourth Proportional to 1,820.26, 2,512.68 and 1,157.47

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Solution

The fourth proportional to 1,820.26, 2,512.68 and 1,157.47 is: 1,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.26 : 2,512.68 = 1,157.47 : x
  2. Step 2: Convert to fraction form
    1,820.26/2,512.68 = 1,157.47/x
  3. Step 3: Cross multiply
    1,820.26x = 2,512.68 × 1,157.47
  4. Step 4: Simplify right side
    1,820.26x = 2,908,351.72
  5. Step 5: Solve for x
    x = 2,908,351.72/1,820.26
  6. Step 6: Final answer
    x = 1,597.77

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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.