Home / 3,630.04-5,449.16-1,440.31

Finding the Fourth Proportional to 3,630.04, 5,449.16 and 1,440.31

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Solution

The fourth proportional to 3,630.04, 5,449.16 and 1,440.31 is: 2,162.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.04 : 5,449.16 = 1,440.31 : x
  2. Step 2: Convert to fraction form
    3,630.04/5,449.16 = 1,440.31/x
  3. Step 3: Cross multiply
    3,630.04x = 5,449.16 × 1,440.31
  4. Step 4: Simplify right side
    3,630.04x = 7,848,462.48
  5. Step 5: Solve for x
    x = 7,848,462.48/3,630.04
  6. Step 6: Final answer
    x = 2,162.09

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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.