Home / 3,609.36-5,412.42-1,660.50

Finding the Fourth Proportional to 3,609.36, 5,412.42 and 1,660.50

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Solution

The fourth proportional to 3,609.36, 5,412.42 and 1,660.50 is: 2,490.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.36 : 5,412.42 = 1,660.50 : x
  2. Step 2: Convert to fraction form
    3,609.36/5,412.42 = 1,660.50/x
  3. Step 3: Cross multiply
    3,609.36x = 5,412.42 × 1,660.50
  4. Step 4: Simplify right side
    3,609.36x = 8,987,323.41
  5. Step 5: Solve for x
    x = 8,987,323.41/3,609.36
  6. Step 6: Final answer
    x = 2,490.00

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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.