Home / 2,303.96-3,181.34-1,878.66

Finding the Fourth Proportional to 2,303.96, 3,181.34 and 1,878.66

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Solution

The fourth proportional to 2,303.96, 3,181.34 and 1,878.66 is: 2,594.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.96 : 3,181.34 = 1,878.66 : x
  2. Step 2: Convert to fraction form
    2,303.96/3,181.34 = 1,878.66/x
  3. Step 3: Cross multiply
    2,303.96x = 3,181.34 × 1,878.66
  4. Step 4: Simplify right side
    2,303.96x = 5,976,640.30
  5. Step 5: Solve for x
    x = 5,976,640.30/2,303.96
  6. Step 6: Final answer
    x = 2,594.07

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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.