Home / 3,325.64-4,989-1,246.36

Finding the Fourth Proportional to 3,325.64, 4,989 and 1,246.36

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Solution

The fourth proportional to 3,325.64, 4,989 and 1,246.36 is: 1,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.64 : 4,989 = 1,246.36 : x
  2. Step 2: Convert to fraction form
    3,325.64/4,989 = 1,246.36/x
  3. Step 3: Cross multiply
    3,325.64x = 4,989 × 1,246.36
  4. Step 4: Simplify right side
    3,325.64x = 6,218,090.04
  5. Step 5: Solve for x
    x = 6,218,090.04/3,325.64
  6. Step 6: Final answer
    x = 1,869.74

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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.