Home / 3,688.12-5,124.95-3,650.19

Finding the Fourth Proportional to 3,688.12, 5,124.95 and 3,650.19

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Solution

The fourth proportional to 3,688.12, 5,124.95 and 3,650.19 is: 5,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.12 : 5,124.95 = 3,650.19 : x
  2. Step 2: Convert to fraction form
    3,688.12/5,124.95 = 3,650.19/x
  3. Step 3: Cross multiply
    3,688.12x = 5,124.95 × 3,650.19
  4. Step 4: Simplify right side
    3,688.12x = 18,707,050.37
  5. Step 5: Solve for x
    x = 18,707,050.37/3,688.12
  6. Step 6: Final answer
    x = 5,072.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.