Home / 3,290.60-4,935.37-1,210.10

Finding the Fourth Proportional to 3,290.60, 4,935.37 and 1,210.10

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Solution

The fourth proportional to 3,290.60, 4,935.37 and 1,210.10 is: 1,814.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.60 : 4,935.37 = 1,210.10 : x
  2. Step 2: Convert to fraction form
    3,290.60/4,935.37 = 1,210.10/x
  3. Step 3: Cross multiply
    3,290.60x = 4,935.37 × 1,210.10
  4. Step 4: Simplify right side
    3,290.60x = 5,972,291.24
  5. Step 5: Solve for x
    x = 5,972,291.24/3,290.60
  6. Step 6: Final answer
    x = 1,814.96

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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.