Home / 2,088.14-3,132.20-720.14

Finding the Fourth Proportional to 2,088.14, 3,132.20 and 720.14

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Solution

The fourth proportional to 2,088.14, 3,132.20 and 720.14 is: 1,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.14 : 3,132.20 = 720.14 : x
  2. Step 2: Convert to fraction form
    2,088.14/3,132.20 = 720.14/x
  3. Step 3: Cross multiply
    2,088.14x = 3,132.20 × 720.14
  4. Step 4: Simplify right side
    2,088.14x = 2,255,622.51
  5. Step 5: Solve for x
    x = 2,255,622.51/2,088.14
  6. Step 6: Final answer
    x = 1,080.21

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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.