Home / 2,428.29-3,351.21-1,366.17

Finding the Fourth Proportional to 2,428.29, 3,351.21 and 1,366.17

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Solution

The fourth proportional to 2,428.29, 3,351.21 and 1,366.17 is: 1,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.29 : 3,351.21 = 1,366.17 : x
  2. Step 2: Convert to fraction form
    2,428.29/3,351.21 = 1,366.17/x
  3. Step 3: Cross multiply
    2,428.29x = 3,351.21 × 1,366.17
  4. Step 4: Simplify right side
    2,428.29x = 4,578,322.57
  5. Step 5: Solve for x
    x = 4,578,322.57/2,428.29
  6. Step 6: Final answer
    x = 1,885.41

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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.