Home / 3,688.95-5,533.42-1,091.68

Finding the Fourth Proportional to 3,688.95, 5,533.42 and 1,091.68

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Solution

The fourth proportional to 3,688.95, 5,533.42 and 1,091.68 is: 1,637.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.95 : 5,533.42 = 1,091.68 : x
  2. Step 2: Convert to fraction form
    3,688.95/5,533.42 = 1,091.68/x
  3. Step 3: Cross multiply
    3,688.95x = 5,533.42 × 1,091.68
  4. Step 4: Simplify right side
    3,688.95x = 6,040,723.95
  5. Step 5: Solve for x
    x = 6,040,723.95/3,688.95
  6. Step 6: Final answer
    x = 1,637.52

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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.