Home / 3,242.94-4,476.15-1,916.70

Finding the Fourth Proportional to 3,242.94, 4,476.15 and 1,916.70

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Solution

The fourth proportional to 3,242.94, 4,476.15 and 1,916.70 is: 2,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.94 : 4,476.15 = 1,916.70 : x
  2. Step 2: Convert to fraction form
    3,242.94/4,476.15 = 1,916.70/x
  3. Step 3: Cross multiply
    3,242.94x = 4,476.15 × 1,916.70
  4. Step 4: Simplify right side
    3,242.94x = 8,579,436.71
  5. Step 5: Solve for x
    x = 8,579,436.71/3,242.94
  6. Step 6: Final answer
    x = 2,645.57

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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.