Home / 3,686.57-5,529.09-1,088.90

Finding the Fourth Proportional to 3,686.57, 5,529.09 and 1,088.90

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Solution

The fourth proportional to 3,686.57, 5,529.09 and 1,088.90 is: 1,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.57 : 5,529.09 = 1,088.90 : x
  2. Step 2: Convert to fraction form
    3,686.57/5,529.09 = 1,088.90/x
  3. Step 3: Cross multiply
    3,686.57x = 5,529.09 × 1,088.90
  4. Step 4: Simplify right side
    3,686.57x = 6,020,626.10
  5. Step 5: Solve for x
    x = 6,020,626.10/3,686.57
  6. Step 6: Final answer
    x = 1,633.12

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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.