Home / 2,607.23-3,908.68-1,219.84

Finding the Fourth Proportional to 2,607.23, 3,908.68 and 1,219.84

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Solution

The fourth proportional to 2,607.23, 3,908.68 and 1,219.84 is: 1,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.23 : 3,908.68 = 1,219.84 : x
  2. Step 2: Convert to fraction form
    2,607.23/3,908.68 = 1,219.84/x
  3. Step 3: Cross multiply
    2,607.23x = 3,908.68 × 1,219.84
  4. Step 4: Simplify right side
    2,607.23x = 4,767,964.21
  5. Step 5: Solve for x
    x = 4,767,964.21/2,607.23
  6. Step 6: Final answer
    x = 1,828.75

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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.