Home / 3,477.20-5,206.20-2,709.20

Finding the Fourth Proportional to 3,477.20, 5,206.20 and 2,709.20

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Solution

The fourth proportional to 3,477.20, 5,206.20 and 2,709.20 is: 4,056.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.20 : 5,206.20 = 2,709.20 : x
  2. Step 2: Convert to fraction form
    3,477.20/5,206.20 = 2,709.20/x
  3. Step 3: Cross multiply
    3,477.20x = 5,206.20 × 2,709.20
  4. Step 4: Simplify right side
    3,477.20x = 14,104,637.04
  5. Step 5: Solve for x
    x = 14,104,637.04/3,477.20
  6. Step 6: Final answer
    x = 4,056.32

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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.