Home / 2,263.86-3,120.12-1,948.32

Finding the Fourth Proportional to 2,263.86, 3,120.12 and 1,948.32

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Solution

The fourth proportional to 2,263.86, 3,120.12 and 1,948.32 is: 2,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.86 : 3,120.12 = 1,948.32 : x
  2. Step 2: Convert to fraction form
    2,263.86/3,120.12 = 1,948.32/x
  3. Step 3: Cross multiply
    2,263.86x = 3,120.12 × 1,948.32
  4. Step 4: Simplify right side
    2,263.86x = 6,078,992.20
  5. Step 5: Solve for x
    x = 6,078,992.20/2,263.86
  6. Step 6: Final answer
    x = 2,685.23

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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.