Home / 3,360.14-5,041.66-1,280.77

Finding the Fourth Proportional to 3,360.14, 5,041.66 and 1,280.77

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Solution

The fourth proportional to 3,360.14, 5,041.66 and 1,280.77 is: 1,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.14 : 5,041.66 = 1,280.77 : x
  2. Step 2: Convert to fraction form
    3,360.14/5,041.66 = 1,280.77/x
  3. Step 3: Cross multiply
    3,360.14x = 5,041.66 × 1,280.77
  4. Step 4: Simplify right side
    3,360.14x = 6,457,181.67
  5. Step 5: Solve for x
    x = 6,457,181.67/3,360.14
  6. Step 6: Final answer
    x = 1,921.70

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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.