Home / 3,403.26-4,689.77-2,457.45

Finding the Fourth Proportional to 3,403.26, 4,689.77 and 2,457.45

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Solution

The fourth proportional to 3,403.26, 4,689.77 and 2,457.45 is: 3,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.26 : 4,689.77 = 2,457.45 : x
  2. Step 2: Convert to fraction form
    3,403.26/4,689.77 = 2,457.45/x
  3. Step 3: Cross multiply
    3,403.26x = 4,689.77 × 2,457.45
  4. Step 4: Simplify right side
    3,403.26x = 11,524,863.00
  5. Step 5: Solve for x
    x = 11,524,863.00/3,403.26
  6. Step 6: Final answer
    x = 3,386.42

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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.