Home / 3,210.27-4,813.79-1,564.35

Finding the Fourth Proportional to 3,210.27, 4,813.79 and 1,564.35

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Solution

The fourth proportional to 3,210.27, 4,813.79 and 1,564.35 is: 2,345.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.27 : 4,813.79 = 1,564.35 : x
  2. Step 2: Convert to fraction form
    3,210.27/4,813.79 = 1,564.35/x
  3. Step 3: Cross multiply
    3,210.27x = 4,813.79 × 1,564.35
  4. Step 4: Simplify right side
    3,210.27x = 7,530,444.56
  5. Step 5: Solve for x
    x = 7,530,444.56/3,210.27
  6. Step 6: Final answer
    x = 2,345.74

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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.