Home / 3,238.29-4,470.96-2,490.93

Finding the Fourth Proportional to 3,238.29, 4,470.96 and 2,490.93

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Solution

The fourth proportional to 3,238.29, 4,470.96 and 2,490.93 is: 3,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.29 : 4,470.96 = 2,490.93 : x
  2. Step 2: Convert to fraction form
    3,238.29/4,470.96 = 2,490.93/x
  3. Step 3: Cross multiply
    3,238.29x = 4,470.96 × 2,490.93
  4. Step 4: Simplify right side
    3,238.29x = 11,136,848.39
  5. Step 5: Solve for x
    x = 11,136,848.39/3,238.29
  6. Step 6: Final answer
    x = 3,439.11

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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.