Home / 3,608.47-5,412.57-1,660.60

Finding the Fourth Proportional to 3,608.47, 5,412.57 and 1,660.60

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Solution

The fourth proportional to 3,608.47, 5,412.57 and 1,660.60 is: 2,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.47 : 5,412.57 = 1,660.60 : x
  2. Step 2: Convert to fraction form
    3,608.47/5,412.57 = 1,660.60/x
  3. Step 3: Cross multiply
    3,608.47x = 5,412.57 × 1,660.60
  4. Step 4: Simplify right side
    3,608.47x = 8,988,113.74
  5. Step 5: Solve for x
    x = 8,988,113.74/3,608.47
  6. Step 6: Final answer
    x = 2,490.84

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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.