Home / 2,617.93-3,614.40-1,820.96

Finding the Fourth Proportional to 2,617.93, 3,614.40 and 1,820.96

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Solution

The fourth proportional to 2,617.93, 3,614.40 and 1,820.96 is: 2,514.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.93 : 3,614.40 = 1,820.96 : x
  2. Step 2: Convert to fraction form
    2,617.93/3,614.40 = 1,820.96/x
  3. Step 3: Cross multiply
    2,617.93x = 3,614.40 × 1,820.96
  4. Step 4: Simplify right side
    2,617.93x = 6,581,659.75
  5. Step 5: Solve for x
    x = 6,581,659.75/2,617.93
  6. Step 6: Final answer
    x = 2,514.07

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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.