Home / 3,685.23-5,528.52-1,219.59

Finding the Fourth Proportional to 3,685.23, 5,528.52 and 1,219.59

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Solution

The fourth proportional to 3,685.23, 5,528.52 and 1,219.59 is: 1,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.23 : 5,528.52 = 1,219.59 : x
  2. Step 2: Convert to fraction form
    3,685.23/5,528.52 = 1,219.59/x
  3. Step 3: Cross multiply
    3,685.23x = 5,528.52 × 1,219.59
  4. Step 4: Simplify right side
    3,685.23x = 6,742,527.71
  5. Step 5: Solve for x
    x = 6,742,527.71/3,685.23
  6. Step 6: Final answer
    x = 1,829.61

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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.