Home / 3,632.40-5,011.41-2,690.16

Finding the Fourth Proportional to 3,632.40, 5,011.41 and 2,690.16

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Solution

The fourth proportional to 3,632.40, 5,011.41 and 2,690.16 is: 3,711.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.40 : 5,011.41 = 2,690.16 : x
  2. Step 2: Convert to fraction form
    3,632.40/5,011.41 = 2,690.16/x
  3. Step 3: Cross multiply
    3,632.40x = 5,011.41 × 2,690.16
  4. Step 4: Simplify right side
    3,632.40x = 13,481,494.73
  5. Step 5: Solve for x
    x = 13,481,494.73/3,632.40
  6. Step 6: Final answer
    x = 3,711.46

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1.5x scale

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.