Home / 3,556.64-5,331.34-1,705.04

Finding the Fourth Proportional to 3,556.64, 5,331.34 and 1,705.04

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Solution

The fourth proportional to 3,556.64, 5,331.34 and 1,705.04 is: 2,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.64 : 5,331.34 = 1,705.04 : x
  2. Step 2: Convert to fraction form
    3,556.64/5,331.34 = 1,705.04/x
  3. Step 3: Cross multiply
    3,556.64x = 5,331.34 × 1,705.04
  4. Step 4: Simplify right side
    3,556.64x = 9,090,147.95
  5. Step 5: Solve for x
    x = 9,090,147.95/3,556.64
  6. Step 6: Final answer
    x = 2,555.82

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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.