Home / 3,516.42-5,282.15-2,130.40

Finding the Fourth Proportional to 3,516.42, 5,282.15 and 2,130.40

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Solution

The fourth proportional to 3,516.42, 5,282.15 and 2,130.40 is: 3,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.42 : 5,282.15 = 2,130.40 : x
  2. Step 2: Convert to fraction form
    3,516.42/5,282.15 = 2,130.40/x
  3. Step 3: Cross multiply
    3,516.42x = 5,282.15 × 2,130.40
  4. Step 4: Simplify right side
    3,516.42x = 11,253,092.36
  5. Step 5: Solve for x
    x = 11,253,092.36/3,516.42
  6. Step 6: Final answer
    x = 3,200.16

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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.