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Finding the Fourth Proportional to 3,302.41, 4,953.21 and 1,916.50

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Solution

The fourth proportional to 3,302.41, 4,953.21 and 1,916.50 is: 2,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.41 : 4,953.21 = 1,916.50 : x
  2. Step 2: Convert to fraction form
    3,302.41/4,953.21 = 1,916.50/x
  3. Step 3: Cross multiply
    3,302.41x = 4,953.21 × 1,916.50
  4. Step 4: Simplify right side
    3,302.41x = 9,492,826.97
  5. Step 5: Solve for x
    x = 9,492,826.97/3,302.41
  6. Step 6: Final answer
    x = 2,874.51

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1.5x scale

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.