Home / 3,605.69-5,405.54-1,527.32

Finding the Fourth Proportional to 3,605.69, 5,405.54 and 1,527.32

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Solution

The fourth proportional to 3,605.69, 5,405.54 and 1,527.32 is: 2,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.69 : 5,405.54 = 1,527.32 : x
  2. Step 2: Convert to fraction form
    3,605.69/5,405.54 = 1,527.32/x
  3. Step 3: Cross multiply
    3,605.69x = 5,405.54 × 1,527.32
  4. Step 4: Simplify right side
    3,605.69x = 8,255,954.69
  5. Step 5: Solve for x
    x = 8,255,954.69/3,605.69
  6. Step 6: Final answer
    x = 2,289.70

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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.