Home / 3,536.40-4,879.50-1,964.16

Finding the Fourth Proportional to 3,536.40, 4,879.50 and 1,964.16

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Solution

The fourth proportional to 3,536.40, 4,879.50 and 1,964.16 is: 2,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.40 : 4,879.50 = 1,964.16 : x
  2. Step 2: Convert to fraction form
    3,536.40/4,879.50 = 1,964.16/x
  3. Step 3: Cross multiply
    3,536.40x = 4,879.50 × 1,964.16
  4. Step 4: Simplify right side
    3,536.40x = 9,584,118.72
  5. Step 5: Solve for x
    x = 9,584,118.72/3,536.40
  6. Step 6: Final answer
    x = 2,710.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.