Home / 3,345.96-4,614.91-2,817.66

Finding the Fourth Proportional to 3,345.96, 4,614.91 and 2,817.66

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Solution

The fourth proportional to 3,345.96, 4,614.91 and 2,817.66 is: 3,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.96 : 4,614.91 = 2,817.66 : x
  2. Step 2: Convert to fraction form
    3,345.96/4,614.91 = 2,817.66/x
  3. Step 3: Cross multiply
    3,345.96x = 4,614.91 × 2,817.66
  4. Step 4: Simplify right side
    3,345.96x = 13,003,247.31
  5. Step 5: Solve for x
    x = 13,003,247.31/3,345.96
  6. Step 6: Final answer
    x = 3,886.25

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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.