Home / 2,671.12-4,005.58-1,110.05

Finding the Fourth Proportional to 2,671.12, 4,005.58 and 1,110.05

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Solution

The fourth proportional to 2,671.12, 4,005.58 and 1,110.05 is: 1,664.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.12 : 4,005.58 = 1,110.05 : x
  2. Step 2: Convert to fraction form
    2,671.12/4,005.58 = 1,110.05/x
  3. Step 3: Cross multiply
    2,671.12x = 4,005.58 × 1,110.05
  4. Step 4: Simplify right side
    2,671.12x = 4,446,394.08
  5. Step 5: Solve for x
    x = 4,446,394.08/2,671.12
  6. Step 6: Final answer
    x = 1,664.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.