Home / 3,380.16-4,669.12-2,719.50

Finding the Fourth Proportional to 3,380.16, 4,669.12 and 2,719.50

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Solution

The fourth proportional to 3,380.16, 4,669.12 and 2,719.50 is: 3,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.16 : 4,669.12 = 2,719.50 : x
  2. Step 2: Convert to fraction form
    3,380.16/4,669.12 = 2,719.50/x
  3. Step 3: Cross multiply
    3,380.16x = 4,669.12 × 2,719.50
  4. Step 4: Simplify right side
    3,380.16x = 12,697,671.84
  5. Step 5: Solve for x
    x = 12,697,671.84/3,380.16
  6. Step 6: Final answer
    x = 3,756.53

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1.5x scale

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.