Home / 2,306.45-3,460.70-1,210.55

Finding the Fourth Proportional to 2,306.45, 3,460.70 and 1,210.55

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Solution

The fourth proportional to 2,306.45, 3,460.70 and 1,210.55 is: 1,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.45 : 3,460.70 = 1,210.55 : x
  2. Step 2: Convert to fraction form
    2,306.45/3,460.70 = 1,210.55/x
  3. Step 3: Cross multiply
    2,306.45x = 3,460.70 × 1,210.55
  4. Step 4: Simplify right side
    2,306.45x = 4,189,352.98
  5. Step 5: Solve for x
    x = 4,189,352.98/2,306.45
  6. Step 6: Final answer
    x = 1,816.36

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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.