Home / 3,287.13-4,536.05-1,870.62

Finding the Fourth Proportional to 3,287.13, 4,536.05 and 1,870.62

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Solution

The fourth proportional to 3,287.13, 4,536.05 and 1,870.62 is: 2,581.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.13 : 4,536.05 = 1,870.62 : x
  2. Step 2: Convert to fraction form
    3,287.13/4,536.05 = 1,870.62/x
  3. Step 3: Cross multiply
    3,287.13x = 4,536.05 × 1,870.62
  4. Step 4: Simplify right side
    3,287.13x = 8,485,216.50
  5. Step 5: Solve for x
    x = 8,485,216.50/3,287.13
  6. Step 6: Final answer
    x = 2,581.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.