Home / 2,365.80-3,546.54-1,210.20

Finding the Fourth Proportional to 2,365.80, 3,546.54 and 1,210.20

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Solution

The fourth proportional to 2,365.80, 3,546.54 and 1,210.20 is: 1,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.80 : 3,546.54 = 1,210.20 : x
  2. Step 2: Convert to fraction form
    2,365.80/3,546.54 = 1,210.20/x
  3. Step 3: Cross multiply
    2,365.80x = 3,546.54 × 1,210.20
  4. Step 4: Simplify right side
    2,365.80x = 4,292,022.71
  5. Step 5: Solve for x
    x = 4,292,022.71/2,365.80
  6. Step 6: Final answer
    x = 1,814.20

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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.