Home / 3,301.60-4,946.40-2,612.80

Finding the Fourth Proportional to 3,301.60, 4,946.40 and 2,612.80

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Solution

The fourth proportional to 3,301.60, 4,946.40 and 2,612.80 is: 3,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.60 : 4,946.40 = 2,612.80 : x
  2. Step 2: Convert to fraction form
    3,301.60/4,946.40 = 2,612.80/x
  3. Step 3: Cross multiply
    3,301.60x = 4,946.40 × 2,612.80
  4. Step 4: Simplify right side
    3,301.60x = 12,923,953.92
  5. Step 5: Solve for x
    x = 12,923,953.92/3,301.60
  6. Step 6: Final answer
    x = 3,914.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.