Home / 3,289.95-4,930.67-2,461.72

Finding the Fourth Proportional to 3,289.95, 4,930.67 and 2,461.72

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Solution

The fourth proportional to 3,289.95, 4,930.67 and 2,461.72 is: 3,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.95 : 4,930.67 = 2,461.72 : x
  2. Step 2: Convert to fraction form
    3,289.95/4,930.67 = 2,461.72/x
  3. Step 3: Cross multiply
    3,289.95x = 4,930.67 × 2,461.72
  4. Step 4: Simplify right side
    3,289.95x = 12,137,916.64
  5. Step 5: Solve for x
    x = 12,137,916.64/3,289.95
  6. Step 6: Final answer
    x = 3,689.40

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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.