Home / 3,516.04-5,274.20-918.92

Finding the Fourth Proportional to 3,516.04, 5,274.20 and 918.92

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Solution

The fourth proportional to 3,516.04, 5,274.20 and 918.92 is: 1,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.04 : 5,274.20 = 918.92 : x
  2. Step 2: Convert to fraction form
    3,516.04/5,274.20 = 918.92/x
  3. Step 3: Cross multiply
    3,516.04x = 5,274.20 × 918.92
  4. Step 4: Simplify right side
    3,516.04x = 4,846,567.86
  5. Step 5: Solve for x
    x = 4,846,567.86/3,516.04
  6. Step 6: Final answer
    x = 1,378.42

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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.