Home / 3,534.60-4,878.90-2,486.92

Finding the Fourth Proportional to 3,534.60, 4,878.90 and 2,486.92

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Solution

The fourth proportional to 3,534.60, 4,878.90 and 2,486.92 is: 3,432.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.60 : 4,878.90 = 2,486.92 : x
  2. Step 2: Convert to fraction form
    3,534.60/4,878.90 = 2,486.92/x
  3. Step 3: Cross multiply
    3,534.60x = 4,878.90 × 2,486.92
  4. Step 4: Simplify right side
    3,534.60x = 12,133,433.99
  5. Step 5: Solve for x
    x = 12,133,433.99/3,534.60
  6. Step 6: Final answer
    x = 3,432.76

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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.