Home / 2,210.21-3,315.99-1,114.20

Finding the Fourth Proportional to 2,210.21, 3,315.99 and 1,114.20

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Solution

The fourth proportional to 2,210.21, 3,315.99 and 1,114.20 is: 1,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.21 : 3,315.99 = 1,114.20 : x
  2. Step 2: Convert to fraction form
    2,210.21/3,315.99 = 1,114.20/x
  3. Step 3: Cross multiply
    2,210.21x = 3,315.99 × 1,114.20
  4. Step 4: Simplify right side
    2,210.21x = 3,694,680.24
  5. Step 5: Solve for x
    x = 3,694,680.24/2,210.21
  6. Step 6: Final answer
    x = 1,671.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.