Home / 2,178.49-3,006.30-1,234.26

Finding the Fourth Proportional to 2,178.49, 3,006.30 and 1,234.26

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Solution

The fourth proportional to 2,178.49, 3,006.30 and 1,234.26 is: 1,703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178.49 : 3,006.30 = 1,234.26 : x
  2. Step 2: Convert to fraction form
    2,178.49/3,006.30 = 1,234.26/x
  3. Step 3: Cross multiply
    2,178.49x = 3,006.30 × 1,234.26
  4. Step 4: Simplify right side
    2,178.49x = 3,710,555.84
  5. Step 5: Solve for x
    x = 3,710,555.84/2,178.49
  6. Step 6: Final answer
    x = 1,703.27

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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.