Home / 3,461.80-5,189.61-1,270.02

Finding the Fourth Proportional to 3,461.80, 5,189.61 and 1,270.02

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Solution

The fourth proportional to 3,461.80, 5,189.61 and 1,270.02 is: 1,903.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.80 : 5,189.61 = 1,270.02 : x
  2. Step 2: Convert to fraction form
    3,461.80/5,189.61 = 1,270.02/x
  3. Step 3: Cross multiply
    3,461.80x = 5,189.61 × 1,270.02
  4. Step 4: Simplify right side
    3,461.80x = 6,590,876.19
  5. Step 5: Solve for x
    x = 6,590,876.19/3,461.80
  6. Step 6: Final answer
    x = 1,903.89

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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.