Home / 3,660.13-5,483.30-1,809.08

Finding the Fourth Proportional to 3,660.13, 5,483.30 and 1,809.08

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Solution

The fourth proportional to 3,660.13, 5,483.30 and 1,809.08 is: 2,710.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.13 : 5,483.30 = 1,809.08 : x
  2. Step 2: Convert to fraction form
    3,660.13/5,483.30 = 1,809.08/x
  3. Step 3: Cross multiply
    3,660.13x = 5,483.30 × 1,809.08
  4. Step 4: Simplify right side
    3,660.13x = 9,919,705.47
  5. Step 5: Solve for x
    x = 9,919,705.47/3,660.13
  6. Step 6: Final answer
    x = 2,710.21

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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.