Home / 2,310.44-3,188.30-1,426.32

Finding the Fourth Proportional to 2,310.44, 3,188.30 and 1,426.32

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Solution

The fourth proportional to 2,310.44, 3,188.30 and 1,426.32 is: 1,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.44 : 3,188.30 = 1,426.32 : x
  2. Step 2: Convert to fraction form
    2,310.44/3,188.30 = 1,426.32/x
  3. Step 3: Cross multiply
    2,310.44x = 3,188.30 × 1,426.32
  4. Step 4: Simplify right side
    2,310.44x = 4,547,528.92
  5. Step 5: Solve for x
    x = 4,547,528.92/2,310.44
  6. Step 6: Final answer
    x = 1,968.26

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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.