Home / 3,538.49-5,309.79-1,458.11

Finding the Fourth Proportional to 3,538.49, 5,309.79 and 1,458.11

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Solution

The fourth proportional to 3,538.49, 5,309.79 and 1,458.11 is: 2,188.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.49 : 5,309.79 = 1,458.11 : x
  2. Step 2: Convert to fraction form
    3,538.49/5,309.79 = 1,458.11/x
  3. Step 3: Cross multiply
    3,538.49x = 5,309.79 × 1,458.11
  4. Step 4: Simplify right side
    3,538.49x = 7,742,235.84
  5. Step 5: Solve for x
    x = 7,742,235.84/3,538.49
  6. Step 6: Final answer
    x = 2,188.01

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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.