Home / 3,686.05-5,528.43-1,088.38

Finding the Fourth Proportional to 3,686.05, 5,528.43 and 1,088.38

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Solution

The fourth proportional to 3,686.05, 5,528.43 and 1,088.38 is: 1,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.05 : 5,528.43 = 1,088.38 : x
  2. Step 2: Convert to fraction form
    3,686.05/5,528.43 = 1,088.38/x
  3. Step 3: Cross multiply
    3,686.05x = 5,528.43 × 1,088.38
  4. Step 4: Simplify right side
    3,686.05x = 6,017,018.82
  5. Step 5: Solve for x
    x = 6,017,018.82/3,686.05
  6. Step 6: Final answer
    x = 1,632.38

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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.