Home / 2,317.79-3,477.20-674.46

Finding the Fourth Proportional to 2,317.79, 3,477.20 and 674.46

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Solution

The fourth proportional to 2,317.79, 3,477.20 and 674.46 is: 1,011.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.79 : 3,477.20 = 674.46 : x
  2. Step 2: Convert to fraction form
    2,317.79/3,477.20 = 674.46/x
  3. Step 3: Cross multiply
    2,317.79x = 3,477.20 × 674.46
  4. Step 4: Simplify right side
    2,317.79x = 2,345,232.31
  5. Step 5: Solve for x
    x = 2,345,232.31/2,317.79
  6. Step 6: Final answer
    x = 1,011.84

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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.