Home / 3,608.16-5,412.81-1,528.18

Finding the Fourth Proportional to 3,608.16, 5,412.81 and 1,528.18

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Solution

The fourth proportional to 3,608.16, 5,412.81 and 1,528.18 is: 2,292.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.16 : 5,412.81 = 1,528.18 : x
  2. Step 2: Convert to fraction form
    3,608.16/5,412.81 = 1,528.18/x
  3. Step 3: Cross multiply
    3,608.16x = 5,412.81 × 1,528.18
  4. Step 4: Simplify right side
    3,608.16x = 8,271,755.41
  5. Step 5: Solve for x
    x = 8,271,755.41/3,608.16
  6. Step 6: Final answer
    x = 2,292.51

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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.