Home / 3,639.29-5,459.04-1,174.12

Finding the Fourth Proportional to 3,639.29, 5,459.04 and 1,174.12

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Solution

The fourth proportional to 3,639.29, 5,459.04 and 1,174.12 is: 1,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.29 : 5,459.04 = 1,174.12 : x
  2. Step 2: Convert to fraction form
    3,639.29/5,459.04 = 1,174.12/x
  3. Step 3: Cross multiply
    3,639.29x = 5,459.04 × 1,174.12
  4. Step 4: Simplify right side
    3,639.29x = 6,409,554.40
  5. Step 5: Solve for x
    x = 6,409,554.40/3,639.29
  6. Step 6: Final answer
    x = 1,761.21

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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.