Home / 3,418.13-4,715.93-2,091.17

Finding the Fourth Proportional to 3,418.13, 4,715.93 and 2,091.17

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Solution

The fourth proportional to 3,418.13, 4,715.93 and 2,091.17 is: 2,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.13 : 4,715.93 = 2,091.17 : x
  2. Step 2: Convert to fraction form
    3,418.13/4,715.93 = 2,091.17/x
  3. Step 3: Cross multiply
    3,418.13x = 4,715.93 × 2,091.17
  4. Step 4: Simplify right side
    3,418.13x = 9,861,792.99
  5. Step 5: Solve for x
    x = 9,861,792.99/3,418.13
  6. Step 6: Final answer
    x = 2,885.15

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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.