Home / 3,562.20-4,914.99-2,145.40

Finding the Fourth Proportional to 3,562.20, 4,914.99 and 2,145.40

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Solution

The fourth proportional to 3,562.20, 4,914.99 and 2,145.40 is: 2,960.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.20 : 4,914.99 = 2,145.40 : x
  2. Step 2: Convert to fraction form
    3,562.20/4,914.99 = 2,145.40/x
  3. Step 3: Cross multiply
    3,562.20x = 4,914.99 × 2,145.40
  4. Step 4: Simplify right side
    3,562.20x = 10,544,619.55
  5. Step 5: Solve for x
    x = 10,544,619.55/3,562.20
  6. Step 6: Final answer
    x = 2,960.14

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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.