Home / 1,820.04-2,730.30-1,089.48

Finding the Fourth Proportional to 1,820.04, 2,730.30 and 1,089.48

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Solution

The fourth proportional to 1,820.04, 2,730.30 and 1,089.48 is: 1,634.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.04 : 2,730.30 = 1,089.48 : x
  2. Step 2: Convert to fraction form
    1,820.04/2,730.30 = 1,089.48/x
  3. Step 3: Cross multiply
    1,820.04x = 2,730.30 × 1,089.48
  4. Step 4: Simplify right side
    1,820.04x = 2,974,607.24
  5. Step 5: Solve for x
    x = 2,974,607.24/1,820.04
  6. Step 6: Final answer
    x = 1,634.36

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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.