Home / 1,669.74-2,305.16-1,110.63

Finding the Fourth Proportional to 1,669.74, 2,305.16 and 1,110.63

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Solution

The fourth proportional to 1,669.74, 2,305.16 and 1,110.63 is: 1,533.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.74 : 2,305.16 = 1,110.63 : x
  2. Step 2: Convert to fraction form
    1,669.74/2,305.16 = 1,110.63/x
  3. Step 3: Cross multiply
    1,669.74x = 2,305.16 × 1,110.63
  4. Step 4: Simplify right side
    1,669.74x = 2,560,179.85
  5. Step 5: Solve for x
    x = 2,560,179.85/1,669.74
  6. Step 6: Final answer
    x = 1,533.28

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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.