Home / 2,918.13-4,025.87-1,797.12

Finding the Fourth Proportional to 2,918.13, 4,025.87 and 1,797.12

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Solution

The fourth proportional to 2,918.13, 4,025.87 and 1,797.12 is: 2,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.13 : 4,025.87 = 1,797.12 : x
  2. Step 2: Convert to fraction form
    2,918.13/4,025.87 = 1,797.12/x
  3. Step 3: Cross multiply
    2,918.13x = 4,025.87 × 1,797.12
  4. Step 4: Simplify right side
    2,918.13x = 7,234,981.56
  5. Step 5: Solve for x
    x = 7,234,981.56/2,918.13
  6. Step 6: Final answer
    x = 2,479.32

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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.