Home / 2,833.86-3,910.68-1,655.13

Finding the Fourth Proportional to 2,833.86, 3,910.68 and 1,655.13

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Solution

The fourth proportional to 2,833.86, 3,910.68 and 1,655.13 is: 2,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.86 : 3,910.68 = 1,655.13 : x
  2. Step 2: Convert to fraction form
    2,833.86/3,910.68 = 1,655.13/x
  3. Step 3: Cross multiply
    2,833.86x = 3,910.68 × 1,655.13
  4. Step 4: Simplify right side
    2,833.86x = 6,472,683.79
  5. Step 5: Solve for x
    x = 6,472,683.79/2,833.86
  6. Step 6: Final answer
    x = 2,284.05

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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.