Home / 3,247.64-4,871.89-1,055.63

Finding the Fourth Proportional to 3,247.64, 4,871.89 and 1,055.63

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Solution

The fourth proportional to 3,247.64, 4,871.89 and 1,055.63 is: 1,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.64 : 4,871.89 = 1,055.63 : x
  2. Step 2: Convert to fraction form
    3,247.64/4,871.89 = 1,055.63/x
  3. Step 3: Cross multiply
    3,247.64x = 4,871.89 × 1,055.63
  4. Step 4: Simplify right side
    3,247.64x = 5,142,888.88
  5. Step 5: Solve for x
    x = 5,142,888.88/3,247.64
  6. Step 6: Final answer
    x = 1,583.58

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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.