Home / 2,361.28-3,539.04-1,206.40

Finding the Fourth Proportional to 2,361.28, 3,539.04 and 1,206.40

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Solution

The fourth proportional to 2,361.28, 3,539.04 and 1,206.40 is: 1,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.28 : 3,539.04 = 1,206.40 : x
  2. Step 2: Convert to fraction form
    2,361.28/3,539.04 = 1,206.40/x
  3. Step 3: Cross multiply
    2,361.28x = 3,539.04 × 1,206.40
  4. Step 4: Simplify right side
    2,361.28x = 4,269,497.86
  5. Step 5: Solve for x
    x = 4,269,497.86/2,361.28
  6. Step 6: Final answer
    x = 1,808.13

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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.