Home / 3,685.23-5,527.85-2,127.60

Finding the Fourth Proportional to 3,685.23, 5,527.85 and 2,127.60

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Solution

The fourth proportional to 3,685.23, 5,527.85 and 2,127.60 is: 3,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.23 : 5,527.85 = 2,127.60 : x
  2. Step 2: Convert to fraction form
    3,685.23/5,527.85 = 2,127.60/x
  3. Step 3: Cross multiply
    3,685.23x = 5,527.85 × 2,127.60
  4. Step 4: Simplify right side
    3,685.23x = 11,761,043.02
  5. Step 5: Solve for x
    x = 11,761,043.02/3,685.23
  6. Step 6: Final answer
    x = 3,191.40

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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.