Home / 3,527.21-5,290.45-1,447.44

Finding the Fourth Proportional to 3,527.21, 5,290.45 and 1,447.44

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Solution

The fourth proportional to 3,527.21, 5,290.45 and 1,447.44 is: 2,171.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.21 : 5,290.45 = 1,447.44 : x
  2. Step 2: Convert to fraction form
    3,527.21/5,290.45 = 1,447.44/x
  3. Step 3: Cross multiply
    3,527.21x = 5,290.45 × 1,447.44
  4. Step 4: Simplify right side
    3,527.21x = 7,657,585.49
  5. Step 5: Solve for x
    x = 7,657,585.49/3,527.21
  6. Step 6: Final answer
    x = 2,171.00

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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.