Home / 3,527.15-5,290.75-1,445.69

Finding the Fourth Proportional to 3,527.15, 5,290.75 and 1,445.69

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Solution

The fourth proportional to 3,527.15, 5,290.75 and 1,445.69 is: 2,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.15 : 5,290.75 = 1,445.69 : x
  2. Step 2: Convert to fraction form
    3,527.15/5,290.75 = 1,445.69/x
  3. Step 3: Cross multiply
    3,527.15x = 5,290.75 × 1,445.69
  4. Step 4: Simplify right side
    3,527.15x = 7,648,784.37
  5. Step 5: Solve for x
    x = 7,648,784.37/3,527.15
  6. Step 6: Final answer
    x = 2,168.55

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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.