Home / 3,528.96-5,293.76-1,188.96

Finding the Fourth Proportional to 3,528.96, 5,293.76 and 1,188.96

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Solution

The fourth proportional to 3,528.96, 5,293.76 and 1,188.96 is: 1,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.96 : 5,293.76 = 1,188.96 : x
  2. Step 2: Convert to fraction form
    3,528.96/5,293.76 = 1,188.96/x
  3. Step 3: Cross multiply
    3,528.96x = 5,293.76 × 1,188.96
  4. Step 4: Simplify right side
    3,528.96x = 6,294,068.89
  5. Step 5: Solve for x
    x = 6,294,068.89/3,528.96
  6. Step 6: Final answer
    x = 1,783.55

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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.