Home / 2,306.34-3,460.86-1,211.76

Finding the Fourth Proportional to 2,306.34, 3,460.86 and 1,211.76

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Solution

The fourth proportional to 2,306.34, 3,460.86 and 1,211.76 is: 1,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.34 : 3,460.86 = 1,211.76 : x
  2. Step 2: Convert to fraction form
    2,306.34/3,460.86 = 1,211.76/x
  3. Step 3: Cross multiply
    2,306.34x = 3,460.86 × 1,211.76
  4. Step 4: Simplify right side
    2,306.34x = 4,193,731.71
  5. Step 5: Solve for x
    x = 4,193,731.71/2,306.34
  6. Step 6: Final answer
    x = 1,818.35

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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.