Home / 3,688.66-5,533.23-1,225.18

Finding the Fourth Proportional to 3,688.66, 5,533.23 and 1,225.18

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Solution

The fourth proportional to 3,688.66, 5,533.23 and 1,225.18 is: 1,837.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.66 : 5,533.23 = 1,225.18 : x
  2. Step 2: Convert to fraction form
    3,688.66/5,533.23 = 1,225.18/x
  3. Step 3: Cross multiply
    3,688.66x = 5,533.23 × 1,225.18
  4. Step 4: Simplify right side
    3,688.66x = 6,779,202.73
  5. Step 5: Solve for x
    x = 6,779,202.73/3,688.66
  6. Step 6: Final answer
    x = 1,837.85

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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.