Home / 3,624.40-5,438.88-1,161.06

Finding the Fourth Proportional to 3,624.40, 5,438.88 and 1,161.06

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Solution

The fourth proportional to 3,624.40, 5,438.88 and 1,161.06 is: 1,742.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.40 : 5,438.88 = 1,161.06 : x
  2. Step 2: Convert to fraction form
    3,624.40/5,438.88 = 1,161.06/x
  3. Step 3: Cross multiply
    3,624.40x = 5,438.88 × 1,161.06
  4. Step 4: Simplify right side
    3,624.40x = 6,314,866.01
  5. Step 5: Solve for x
    x = 6,314,866.01/3,624.40
  6. Step 6: Final answer
    x = 1,742.32

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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.