Home / 3,289.50-4,916.12-2,637.18

Finding the Fourth Proportional to 3,289.50, 4,916.12 and 2,637.18

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Solution

The fourth proportional to 3,289.50, 4,916.12 and 2,637.18 is: 3,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.50 : 4,916.12 = 2,637.18 : x
  2. Step 2: Convert to fraction form
    3,289.50/4,916.12 = 2,637.18/x
  3. Step 3: Cross multiply
    3,289.50x = 4,916.12 × 2,637.18
  4. Step 4: Simplify right side
    3,289.50x = 12,964,680.16
  5. Step 5: Solve for x
    x = 12,964,680.16/3,289.50
  6. Step 6: Final answer
    x = 3,941.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.