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Finding the Fourth Proportional to 3,686.07, 5,529.11 and 1,088.81

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Solution

The fourth proportional to 3,686.07, 5,529.11 and 1,088.81 is: 1,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.07 : 5,529.11 = 1,088.81 : x
  2. Step 2: Convert to fraction form
    3,686.07/5,529.11 = 1,088.81/x
  3. Step 3: Cross multiply
    3,686.07x = 5,529.11 × 1,088.81
  4. Step 4: Simplify right side
    3,686.07x = 6,020,117.17
  5. Step 5: Solve for x
    x = 6,020,117.17/3,686.07
  6. Step 6: Final answer
    x = 1,633.21

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Similar ratio
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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.