Home / 2,179.02-3,006.30-1,234.68

Finding the Fourth Proportional to 2,179.02, 3,006.30 and 1,234.68

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Solution

The fourth proportional to 2,179.02, 3,006.30 and 1,234.68 is: 1,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.02 : 3,006.30 = 1,234.68 : x
  2. Step 2: Convert to fraction form
    2,179.02/3,006.30 = 1,234.68/x
  3. Step 3: Cross multiply
    2,179.02x = 3,006.30 × 1,234.68
  4. Step 4: Simplify right side
    2,179.02x = 3,711,818.48
  5. Step 5: Solve for x
    x = 3,711,818.48/2,179.02
  6. Step 6: Final answer
    x = 1,703.43

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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.