Home / 3,239.39-4,833.81-2,890.32

Finding the Fourth Proportional to 3,239.39, 4,833.81 and 2,890.32

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Solution

The fourth proportional to 3,239.39, 4,833.81 and 2,890.32 is: 4,312.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.39 : 4,833.81 = 2,890.32 : x
  2. Step 2: Convert to fraction form
    3,239.39/4,833.81 = 2,890.32/x
  3. Step 3: Cross multiply
    3,239.39x = 4,833.81 × 2,890.32
  4. Step 4: Simplify right side
    3,239.39x = 13,971,262.72
  5. Step 5: Solve for x
    x = 13,971,262.72/3,239.39
  6. Step 6: Final answer
    x = 4,312.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.