Home / 3,705.84-5,558.04-1,108.20

Finding the Fourth Proportional to 3,705.84, 5,558.04 and 1,108.20

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Solution

The fourth proportional to 3,705.84, 5,558.04 and 1,108.20 is: 1,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.84 : 5,558.04 = 1,108.20 : x
  2. Step 2: Convert to fraction form
    3,705.84/5,558.04 = 1,108.20/x
  3. Step 3: Cross multiply
    3,705.84x = 5,558.04 × 1,108.20
  4. Step 4: Simplify right side
    3,705.84x = 6,159,419.93
  5. Step 5: Solve for x
    x = 6,159,419.93/3,705.84
  6. Step 6: Final answer
    x = 1,662.08

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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.