Home / 3,975.96-5,934.87-3,686.84

Finding the Fourth Proportional to 3,975.96, 5,934.87 and 3,686.84

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Solution

The fourth proportional to 3,975.96, 5,934.87 and 3,686.84 is: 5,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.96 : 5,934.87 = 3,686.84 : x
  2. Step 2: Convert to fraction form
    3,975.96/5,934.87 = 3,686.84/x
  3. Step 3: Cross multiply
    3,975.96x = 5,934.87 × 3,686.84
  4. Step 4: Simplify right side
    3,975.96x = 21,880,916.11
  5. Step 5: Solve for x
    x = 21,880,916.11/3,975.96
  6. Step 6: Final answer
    x = 5,503.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.