Home / 2,280.17-3,420.32-893.85

Finding the Fourth Proportional to 2,280.17, 3,420.32 and 893.85

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Solution

The fourth proportional to 2,280.17, 3,420.32 and 893.85 is: 1,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.17 : 3,420.32 = 893.85 : x
  2. Step 2: Convert to fraction form
    2,280.17/3,420.32 = 893.85/x
  3. Step 3: Cross multiply
    2,280.17x = 3,420.32 × 893.85
  4. Step 4: Simplify right side
    2,280.17x = 3,057,248.56
  5. Step 5: Solve for x
    x = 3,057,248.56/2,280.17
  6. Step 6: Final answer
    x = 1,340.80

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1.5x scale

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.