Home / 3,448.55-4,756.39-2,188.49

Finding the Fourth Proportional to 3,448.55, 4,756.39 and 2,188.49

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Solution

The fourth proportional to 3,448.55, 4,756.39 and 2,188.49 is: 3,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.55 : 4,756.39 = 2,188.49 : x
  2. Step 2: Convert to fraction form
    3,448.55/4,756.39 = 2,188.49/x
  3. Step 3: Cross multiply
    3,448.55x = 4,756.39 × 2,188.49
  4. Step 4: Simplify right side
    3,448.55x = 10,409,282.70
  5. Step 5: Solve for x
    x = 10,409,282.70/3,448.55
  6. Step 6: Final answer
    x = 3,018.45

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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.