Home / 3,660.35-5,051.28-2,169

Finding the Fourth Proportional to 3,660.35, 5,051.28 and 2,169

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Solution

The fourth proportional to 3,660.35, 5,051.28 and 2,169 is: 2,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.35 : 5,051.28 = 2,169 : x
  2. Step 2: Convert to fraction form
    3,660.35/5,051.28 = 2,169/x
  3. Step 3: Cross multiply
    3,660.35x = 5,051.28 × 2,169
  4. Step 4: Simplify right side
    3,660.35x = 10,956,226.32
  5. Step 5: Solve for x
    x = 10,956,226.32/3,660.35
  6. Step 6: Final answer
    x = 2,993.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.