Home / 1,606.34-2,215.44-1,108.86

Finding the Fourth Proportional to 1,606.34, 2,215.44 and 1,108.86

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Solution

The fourth proportional to 1,606.34, 2,215.44 and 1,108.86 is: 1,529.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.34 : 2,215.44 = 1,108.86 : x
  2. Step 2: Convert to fraction form
    1,606.34/2,215.44 = 1,108.86/x
  3. Step 3: Cross multiply
    1,606.34x = 2,215.44 × 1,108.86
  4. Step 4: Simplify right side
    1,606.34x = 2,456,612.80
  5. Step 5: Solve for x
    x = 2,456,612.80/1,606.34
  6. Step 6: Final answer
    x = 1,529.33

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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.