Home / 1,527.55-2,289.70-1,161.43

Finding the Fourth Proportional to 1,527.55, 2,289.70 and 1,161.43

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Solution

The fourth proportional to 1,527.55, 2,289.70 and 1,161.43 is: 1,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.55 : 2,289.70 = 1,161.43 : x
  2. Step 2: Convert to fraction form
    1,527.55/2,289.70 = 1,161.43/x
  3. Step 3: Cross multiply
    1,527.55x = 2,289.70 × 1,161.43
  4. Step 4: Simplify right side
    1,527.55x = 2,659,326.27
  5. Step 5: Solve for x
    x = 2,659,326.27/1,527.55
  6. Step 6: Final answer
    x = 1,740.91

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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.