Home / 3,640.46-5,460.40-1,300.36

Finding the Fourth Proportional to 3,640.46, 5,460.40 and 1,300.36

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Solution

The fourth proportional to 3,640.46, 5,460.40 and 1,300.36 is: 1,950.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.46 : 5,460.40 = 1,300.36 : x
  2. Step 2: Convert to fraction form
    3,640.46/5,460.40 = 1,300.36/x
  3. Step 3: Cross multiply
    3,640.46x = 5,460.40 × 1,300.36
  4. Step 4: Simplify right side
    3,640.46x = 7,100,485.74
  5. Step 5: Solve for x
    x = 7,100,485.74/3,640.46
  6. Step 6: Final answer
    x = 1,950.44

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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.