Home / 2,403.25-3,316.17-1,408.30

Finding the Fourth Proportional to 2,403.25, 3,316.17 and 1,408.30

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Solution

The fourth proportional to 2,403.25, 3,316.17 and 1,408.30 is: 1,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.25 : 3,316.17 = 1,408.30 : x
  2. Step 2: Convert to fraction form
    2,403.25/3,316.17 = 1,408.30/x
  3. Step 3: Cross multiply
    2,403.25x = 3,316.17 × 1,408.30
  4. Step 4: Simplify right side
    2,403.25x = 4,670,162.21
  5. Step 5: Solve for x
    x = 4,670,162.21/2,403.25
  6. Step 6: Final answer
    x = 1,943.27

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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.