Home / 3,686.70-5,528.49-1,088.94

Finding the Fourth Proportional to 3,686.70, 5,528.49 and 1,088.94

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Solution

The fourth proportional to 3,686.70, 5,528.49 and 1,088.94 is: 1,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.70 : 5,528.49 = 1,088.94 : x
  2. Step 2: Convert to fraction form
    3,686.70/5,528.49 = 1,088.94/x
  3. Step 3: Cross multiply
    3,686.70x = 5,528.49 × 1,088.94
  4. Step 4: Simplify right side
    3,686.70x = 6,020,193.90
  5. Step 5: Solve for x
    x = 6,020,193.90/3,686.70
  6. Step 6: Final answer
    x = 1,632.95

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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.