Home / 3,705.40-5,558.10-1,110.16

Finding the Fourth Proportional to 3,705.40, 5,558.10 and 1,110.16

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Solution

The fourth proportional to 3,705.40, 5,558.10 and 1,110.16 is: 1,665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.40 : 5,558.10 = 1,110.16 : x
  2. Step 2: Convert to fraction form
    3,705.40/5,558.10 = 1,110.16/x
  3. Step 3: Cross multiply
    3,705.40x = 5,558.10 × 1,110.16
  4. Step 4: Simplify right side
    3,705.40x = 6,170,380.30
  5. Step 5: Solve for x
    x = 6,170,380.30/3,705.40
  6. Step 6: Final answer
    x = 1,665.24

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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.