Home / 3,188.04-4,400.94-2,140.68

Finding the Fourth Proportional to 3,188.04, 4,400.94 and 2,140.68

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Solution

The fourth proportional to 3,188.04, 4,400.94 and 2,140.68 is: 2,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.04 : 4,400.94 = 2,140.68 : x
  2. Step 2: Convert to fraction form
    3,188.04/4,400.94 = 2,140.68/x
  3. Step 3: Cross multiply
    3,188.04x = 4,400.94 × 2,140.68
  4. Step 4: Simplify right side
    3,188.04x = 9,421,004.24
  5. Step 5: Solve for x
    x = 9,421,004.24/3,188.04
  6. Step 6: Final answer
    x = 2,955.11

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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.