Home / 3,418.24-4,707.68-3,176.32

Finding the Fourth Proportional to 3,418.24, 4,707.68 and 3,176.32

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Solution

The fourth proportional to 3,418.24, 4,707.68 and 3,176.32 is: 4,374.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.24 : 4,707.68 = 3,176.32 : x
  2. Step 2: Convert to fraction form
    3,418.24/4,707.68 = 3,176.32/x
  3. Step 3: Cross multiply
    3,418.24x = 4,707.68 × 3,176.32
  4. Step 4: Simplify right side
    3,418.24x = 14,953,098.14
  5. Step 5: Solve for x
    x = 14,953,098.14/3,418.24
  6. Step 6: Final answer
    x = 4,374.50

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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.