Home / 3,515.42-5,271.36-1,174.61

Finding the Fourth Proportional to 3,515.42, 5,271.36 and 1,174.61

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Solution

The fourth proportional to 3,515.42, 5,271.36 and 1,174.61 is: 1,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.42 : 5,271.36 = 1,174.61 : x
  2. Step 2: Convert to fraction form
    3,515.42/5,271.36 = 1,174.61/x
  3. Step 3: Cross multiply
    3,515.42x = 5,271.36 × 1,174.61
  4. Step 4: Simplify right side
    3,515.42x = 6,191,800.94
  5. Step 5: Solve for x
    x = 6,191,800.94/3,515.42
  6. Step 6: Final answer
    x = 1,761.32

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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.