Home / 2,441.20-3,661.80-1,566.40

Finding the Fourth Proportional to 2,441.20, 3,661.80 and 1,566.40

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Solution

The fourth proportional to 2,441.20, 3,661.80 and 1,566.40 is: 2,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,441.20 : 3,661.80 = 1,566.40 : x
  2. Step 2: Convert to fraction form
    2,441.20/3,661.80 = 1,566.40/x
  3. Step 3: Cross multiply
    2,441.20x = 3,661.80 × 1,566.40
  4. Step 4: Simplify right side
    2,441.20x = 5,735,843.52
  5. Step 5: Solve for x
    x = 5,735,843.52/2,441.20
  6. Step 6: Final answer
    x = 2,349.60

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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.