Home / 3,705.54-5,558.15-1,240.17

Finding the Fourth Proportional to 3,705.54, 5,558.15 and 1,240.17

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Solution

The fourth proportional to 3,705.54, 5,558.15 and 1,240.17 is: 1,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.54 : 5,558.15 = 1,240.17 : x
  2. Step 2: Convert to fraction form
    3,705.54/5,558.15 = 1,240.17/x
  3. Step 3: Cross multiply
    3,705.54x = 5,558.15 × 1,240.17
  4. Step 4: Simplify right side
    3,705.54x = 6,893,033.14
  5. Step 5: Solve for x
    x = 6,893,033.14/3,705.54
  6. Step 6: Final answer
    x = 1,860.20

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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.