Home / 3,514.42-5,271.18-917.56

Finding the Fourth Proportional to 3,514.42, 5,271.18 and 917.56

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Solution

The fourth proportional to 3,514.42, 5,271.18 and 917.56 is: 1,376.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.42 : 5,271.18 = 917.56 : x
  2. Step 2: Convert to fraction form
    3,514.42/5,271.18 = 917.56/x
  3. Step 3: Cross multiply
    3,514.42x = 5,271.18 × 917.56
  4. Step 4: Simplify right side
    3,514.42x = 4,836,623.92
  5. Step 5: Solve for x
    x = 4,836,623.92/3,514.42
  6. Step 6: Final answer
    x = 1,376.22

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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.