Home / 2,402.94-3,316.39-1,408.62

Finding the Fourth Proportional to 2,402.94, 3,316.39 and 1,408.62

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Solution

The fourth proportional to 2,402.94, 3,316.39 and 1,408.62 is: 1,944.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.94 : 3,316.39 = 1,408.62 : x
  2. Step 2: Convert to fraction form
    2,402.94/3,316.39 = 1,408.62/x
  3. Step 3: Cross multiply
    2,402.94x = 3,316.39 × 1,408.62
  4. Step 4: Simplify right side
    2,402.94x = 4,671,529.76
  5. Step 5: Solve for x
    x = 4,671,529.76/2,402.94
  6. Step 6: Final answer
    x = 1,944.09

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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.