Home / 3,465.57-5,189.04-2,639.91

Finding the Fourth Proportional to 3,465.57, 5,189.04 and 2,639.91

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Solution

The fourth proportional to 3,465.57, 5,189.04 and 2,639.91 is: 3,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.57 : 5,189.04 = 2,639.91 : x
  2. Step 2: Convert to fraction form
    3,465.57/5,189.04 = 2,639.91/x
  3. Step 3: Cross multiply
    3,465.57x = 5,189.04 × 2,639.91
  4. Step 4: Simplify right side
    3,465.57x = 13,698,598.59
  5. Step 5: Solve for x
    x = 13,698,598.59/3,465.57
  6. Step 6: Final answer
    x = 3,952.77

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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.