Home / 3,280.18-4,916.01-1,330.10

Finding the Fourth Proportional to 3,280.18, 4,916.01 and 1,330.10

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Solution

The fourth proportional to 3,280.18, 4,916.01 and 1,330.10 is: 1,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.18 : 4,916.01 = 1,330.10 : x
  2. Step 2: Convert to fraction form
    3,280.18/4,916.01 = 1,330.10/x
  3. Step 3: Cross multiply
    3,280.18x = 4,916.01 × 1,330.10
  4. Step 4: Simplify right side
    3,280.18x = 6,538,784.90
  5. Step 5: Solve for x
    x = 6,538,784.90/3,280.18
  6. Step 6: Final answer
    x = 1,993.42

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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.