Home / 3,325.10-4,987.64-1,377.32

Finding the Fourth Proportional to 3,325.10, 4,987.64 and 1,377.32

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Solution

The fourth proportional to 3,325.10, 4,987.64 and 1,377.32 is: 2,065.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.10 : 4,987.64 = 1,377.32 : x
  2. Step 2: Convert to fraction form
    3,325.10/4,987.64 = 1,377.32/x
  3. Step 3: Cross multiply
    3,325.10x = 4,987.64 × 1,377.32
  4. Step 4: Simplify right side
    3,325.10x = 6,869,554.83
  5. Step 5: Solve for x
    x = 6,869,554.83/3,325.10
  6. Step 6: Final answer
    x = 2,065.97

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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.