Home / 2,307.61-3,462.43-1,211.72

Finding the Fourth Proportional to 2,307.61, 3,462.43 and 1,211.72

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Solution

The fourth proportional to 2,307.61, 3,462.43 and 1,211.72 is: 1,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.61 : 3,462.43 = 1,211.72 : x
  2. Step 2: Convert to fraction form
    2,307.61/3,462.43 = 1,211.72/x
  3. Step 3: Cross multiply
    2,307.61x = 3,462.43 × 1,211.72
  4. Step 4: Simplify right side
    2,307.61x = 4,195,495.68
  5. Step 5: Solve for x
    x = 4,195,495.68/2,307.61
  6. Step 6: Final answer
    x = 1,818.11

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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.