Home / 3,206.48-4,810.03-1,331.98

Finding the Fourth Proportional to 3,206.48, 4,810.03 and 1,331.98

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Solution

The fourth proportional to 3,206.48, 4,810.03 and 1,331.98 is: 1,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.48 : 4,810.03 = 1,331.98 : x
  2. Step 2: Convert to fraction form
    3,206.48/4,810.03 = 1,331.98/x
  3. Step 3: Cross multiply
    3,206.48x = 4,810.03 × 1,331.98
  4. Step 4: Simplify right side
    3,206.48x = 6,406,848.40
  5. Step 5: Solve for x
    x = 6,406,848.40/3,206.48
  6. Step 6: Final answer
    x = 1,998.10

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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.