Home / 1,536.98-2,307.29-1,212.57

Finding the Fourth Proportional to 1,536.98, 2,307.29 and 1,212.57

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Solution

The fourth proportional to 1,536.98, 2,307.29 and 1,212.57 is: 1,820.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.98 : 2,307.29 = 1,212.57 : x
  2. Step 2: Convert to fraction form
    1,536.98/2,307.29 = 1,212.57/x
  3. Step 3: Cross multiply
    1,536.98x = 2,307.29 × 1,212.57
  4. Step 4: Simplify right side
    1,536.98x = 2,797,744.57
  5. Step 5: Solve for x
    x = 2,797,744.57/1,536.98
  6. Step 6: Final answer
    x = 1,820.29

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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.