Home / 3,180.15-4,762.71-1,616.28

Finding the Fourth Proportional to 3,180.15, 4,762.71 and 1,616.28

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Solution

The fourth proportional to 3,180.15, 4,762.71 and 1,616.28 is: 2,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.15 : 4,762.71 = 1,616.28 : x
  2. Step 2: Convert to fraction form
    3,180.15/4,762.71 = 1,616.28/x
  3. Step 3: Cross multiply
    3,180.15x = 4,762.71 × 1,616.28
  4. Step 4: Simplify right side
    3,180.15x = 7,697,872.92
  5. Step 5: Solve for x
    x = 7,697,872.92/3,180.15
  6. Step 6: Final answer
    x = 2,420.60

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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.