Home / 3,336.27-4,999.95-1,387.41

Finding the Fourth Proportional to 3,336.27, 4,999.95 and 1,387.41

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Solution

The fourth proportional to 3,336.27, 4,999.95 and 1,387.41 is: 2,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.27 : 4,999.95 = 1,387.41 : x
  2. Step 2: Convert to fraction form
    3,336.27/4,999.95 = 1,387.41/x
  3. Step 3: Cross multiply
    3,336.27x = 4,999.95 × 1,387.41
  4. Step 4: Simplify right side
    3,336.27x = 6,936,980.63
  5. Step 5: Solve for x
    x = 6,936,980.63/3,336.27
  6. Step 6: Final answer
    x = 2,079.26

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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.