Home / 2,017.12-3,025.62-718.60

Finding the Fourth Proportional to 2,017.12, 3,025.62 and 718.60

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Solution

The fourth proportional to 2,017.12, 3,025.62 and 718.60 is: 1,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.12 : 3,025.62 = 718.60 : x
  2. Step 2: Convert to fraction form
    2,017.12/3,025.62 = 718.60/x
  3. Step 3: Cross multiply
    2,017.12x = 3,025.62 × 718.60
  4. Step 4: Simplify right side
    2,017.12x = 2,174,210.53
  5. Step 5: Solve for x
    x = 2,174,210.53/2,017.12
  6. Step 6: Final answer
    x = 1,077.88

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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.