Home / 2,565.13-3,847.14-810.27

Finding the Fourth Proportional to 2,565.13, 3,847.14 and 810.27

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Solution

The fourth proportional to 2,565.13, 3,847.14 and 810.27 is: 1,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.13 : 3,847.14 = 810.27 : x
  2. Step 2: Convert to fraction form
    2,565.13/3,847.14 = 810.27/x
  3. Step 3: Cross multiply
    2,565.13x = 3,847.14 × 810.27
  4. Step 4: Simplify right side
    2,565.13x = 3,117,222.13
  5. Step 5: Solve for x
    x = 3,117,222.13/2,565.13
  6. Step 6: Final answer
    x = 1,215.23

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1.5x scale

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.