Home / 3,513.89-5,271.23-1,174.20

Finding the Fourth Proportional to 3,513.89, 5,271.23 and 1,174.20

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Solution

The fourth proportional to 3,513.89, 5,271.23 and 1,174.20 is: 1,761.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.89 : 5,271.23 = 1,174.20 : x
  2. Step 2: Convert to fraction form
    3,513.89/5,271.23 = 1,174.20/x
  3. Step 3: Cross multiply
    3,513.89x = 5,271.23 × 1,174.20
  4. Step 4: Simplify right side
    3,513.89x = 6,189,478.27
  5. Step 5: Solve for x
    x = 6,189,478.27/3,513.89
  6. Step 6: Final answer
    x = 1,761.43

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1.5x scale

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.