Home / 3,608.16-5,410.80-1,759.20

Finding the Fourth Proportional to 3,608.16, 5,410.80 and 1,759.20

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Solution

The fourth proportional to 3,608.16, 5,410.80 and 1,759.20 is: 2,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.16 : 5,410.80 = 1,759.20 : x
  2. Step 2: Convert to fraction form
    3,608.16/5,410.80 = 1,759.20/x
  3. Step 3: Cross multiply
    3,608.16x = 5,410.80 × 1,759.20
  4. Step 4: Simplify right side
    3,608.16x = 9,518,679.36
  5. Step 5: Solve for x
    x = 9,518,679.36/3,608.16
  6. Step 6: Final answer
    x = 2,638.10

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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.