Home / 3,527.51-5,291.40-1,447.70

Finding the Fourth Proportional to 3,527.51, 5,291.40 and 1,447.70

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Solution

The fourth proportional to 3,527.51, 5,291.40 and 1,447.70 is: 2,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.51 : 5,291.40 = 1,447.70 : x
  2. Step 2: Convert to fraction form
    3,527.51/5,291.40 = 1,447.70/x
  3. Step 3: Cross multiply
    3,527.51x = 5,291.40 × 1,447.70
  4. Step 4: Simplify right side
    3,527.51x = 7,660,359.78
  5. Step 5: Solve for x
    x = 7,660,359.78/3,527.51
  6. Step 6: Final answer
    x = 2,171.61

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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.