Home / 2,803.52-4,202.49-1,161.20

Finding the Fourth Proportional to 2,803.52, 4,202.49 and 1,161.20

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Solution

The fourth proportional to 2,803.52, 4,202.49 and 1,161.20 is: 1,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.52 : 4,202.49 = 1,161.20 : x
  2. Step 2: Convert to fraction form
    2,803.52/4,202.49 = 1,161.20/x
  3. Step 3: Cross multiply
    2,803.52x = 4,202.49 × 1,161.20
  4. Step 4: Simplify right side
    2,803.52x = 4,879,931.39
  5. Step 5: Solve for x
    x = 4,879,931.39/2,803.52
  6. Step 6: Final answer
    x = 1,740.64

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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.