Home / 3,538.18-5,303.32-1,455.67

Finding the Fourth Proportional to 3,538.18, 5,303.32 and 1,455.67

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Solution

The fourth proportional to 3,538.18, 5,303.32 and 1,455.67 is: 2,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.18 : 5,303.32 = 1,455.67 : x
  2. Step 2: Convert to fraction form
    3,538.18/5,303.32 = 1,455.67/x
  3. Step 3: Cross multiply
    3,538.18x = 5,303.32 × 1,455.67
  4. Step 4: Simplify right side
    3,538.18x = 7,719,895.00
  5. Step 5: Solve for x
    x = 7,719,895.00/3,538.18
  6. Step 6: Final answer
    x = 2,181.88

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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.