Home / 2,362.20-3,543.30-1,815.45

Finding the Fourth Proportional to 2,362.20, 3,543.30 and 1,815.45

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Solution

The fourth proportional to 2,362.20, 3,543.30 and 1,815.45 is: 2,723.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.20 : 3,543.30 = 1,815.45 : x
  2. Step 2: Convert to fraction form
    2,362.20/3,543.30 = 1,815.45/x
  3. Step 3: Cross multiply
    2,362.20x = 3,543.30 × 1,815.45
  4. Step 4: Simplify right side
    2,362.20x = 6,432,683.99
  5. Step 5: Solve for x
    x = 6,432,683.99/2,362.20
  6. Step 6: Final answer
    x = 2,723.18

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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.