Home / 2,276.48-3,406.80-1,966.88

Finding the Fourth Proportional to 2,276.48, 3,406.80 and 1,966.88

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Solution

The fourth proportional to 2,276.48, 3,406.80 and 1,966.88 is: 2,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.48 : 3,406.80 = 1,966.88 : x
  2. Step 2: Convert to fraction form
    2,276.48/3,406.80 = 1,966.88/x
  3. Step 3: Cross multiply
    2,276.48x = 3,406.80 × 1,966.88
  4. Step 4: Simplify right side
    2,276.48x = 6,700,766.78
  5. Step 5: Solve for x
    x = 6,700,766.78/2,276.48
  6. Step 6: Final answer
    x = 2,943.48

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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.