Home / 2,305.37-3,459.43-1,210.05

Finding the Fourth Proportional to 2,305.37, 3,459.43 and 1,210.05

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Solution

The fourth proportional to 2,305.37, 3,459.43 and 1,210.05 is: 1,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.37 : 3,459.43 = 1,210.05 : x
  2. Step 2: Convert to fraction form
    2,305.37/3,459.43 = 1,210.05/x
  3. Step 3: Cross multiply
    2,305.37x = 3,459.43 × 1,210.05
  4. Step 4: Simplify right side
    2,305.37x = 4,186,084.78
  5. Step 5: Solve for x
    x = 4,186,084.78/2,305.37
  6. Step 6: Final answer
    x = 1,815.80

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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.