Home / 3,685.28-5,527.93-2,124.29

Finding the Fourth Proportional to 3,685.28, 5,527.93 and 2,124.29

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Solution

The fourth proportional to 3,685.28, 5,527.93 and 2,124.29 is: 3,186.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.28 : 5,527.93 = 2,124.29 : x
  2. Step 2: Convert to fraction form
    3,685.28/5,527.93 = 2,124.29/x
  3. Step 3: Cross multiply
    3,685.28x = 5,527.93 × 2,124.29
  4. Step 4: Simplify right side
    3,685.28x = 11,742,926.42
  5. Step 5: Solve for x
    x = 11,742,926.42/3,685.28
  6. Step 6: Final answer
    x = 3,186.44

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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.