Home / 3,336.60-4,996.80-1,603.20

Finding the Fourth Proportional to 3,336.60, 4,996.80 and 1,603.20

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Solution

The fourth proportional to 3,336.60, 4,996.80 and 1,603.20 is: 2,400.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.60 : 4,996.80 = 1,603.20 : x
  2. Step 2: Convert to fraction form
    3,336.60/4,996.80 = 1,603.20/x
  3. Step 3: Cross multiply
    3,336.60x = 4,996.80 × 1,603.20
  4. Step 4: Simplify right side
    3,336.60x = 8,010,869.76
  5. Step 5: Solve for x
    x = 8,010,869.76/3,336.60
  6. Step 6: Final answer
    x = 2,400.91

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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.