Home / 3,204.16-4,807.20-1,561.60

Finding the Fourth Proportional to 3,204.16, 4,807.20 and 1,561.60

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Solution

The fourth proportional to 3,204.16, 4,807.20 and 1,561.60 is: 2,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.16 : 4,807.20 = 1,561.60 : x
  2. Step 2: Convert to fraction form
    3,204.16/4,807.20 = 1,561.60/x
  3. Step 3: Cross multiply
    3,204.16x = 4,807.20 × 1,561.60
  4. Step 4: Simplify right side
    3,204.16x = 7,506,923.52
  5. Step 5: Solve for x
    x = 7,506,923.52/3,204.16
  6. Step 6: Final answer
    x = 2,342.87

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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.