Home / 3,247.32-4,869.87-1,055.50

Finding the Fourth Proportional to 3,247.32, 4,869.87 and 1,055.50

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Solution

The fourth proportional to 3,247.32, 4,869.87 and 1,055.50 is: 1,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.32 : 4,869.87 = 1,055.50 : x
  2. Step 2: Convert to fraction form
    3,247.32/4,869.87 = 1,055.50/x
  3. Step 3: Cross multiply
    3,247.32x = 4,869.87 × 1,055.50
  4. Step 4: Simplify right side
    3,247.32x = 5,140,147.79
  5. Step 5: Solve for x
    x = 5,140,147.79/3,247.32
  6. Step 6: Final answer
    x = 1,582.89

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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.