Home / 2,401.17-3,313.70-1,338.93

Finding the Fourth Proportional to 2,401.17, 3,313.70 and 1,338.93

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Solution

The fourth proportional to 2,401.17, 3,313.70 and 1,338.93 is: 1,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.17 : 3,313.70 = 1,338.93 : x
  2. Step 2: Convert to fraction form
    2,401.17/3,313.70 = 1,338.93/x
  3. Step 3: Cross multiply
    2,401.17x = 3,313.70 × 1,338.93
  4. Step 4: Simplify right side
    2,401.17x = 4,436,805.65
  5. Step 5: Solve for x
    x = 4,436,805.65/2,401.17
  6. Step 6: Final answer
    x = 1,847.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.