Home / 1,790.91-2,472.30-1,194.39

Finding the Fourth Proportional to 1,790.91, 2,472.30 and 1,194.39

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Solution

The fourth proportional to 1,790.91, 2,472.30 and 1,194.39 is: 1,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.91 : 2,472.30 = 1,194.39 : x
  2. Step 2: Convert to fraction form
    1,790.91/2,472.30 = 1,194.39/x
  3. Step 3: Cross multiply
    1,790.91x = 2,472.30 × 1,194.39
  4. Step 4: Simplify right side
    1,790.91x = 2,952,890.40
  5. Step 5: Solve for x
    x = 2,952,890.40/1,790.91
  6. Step 6: Final answer
    x = 1,648.82

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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.