Home / 3,331.71-4,999.77-1,253.34

Finding the Fourth Proportional to 3,331.71, 4,999.77 and 1,253.34

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Solution

The fourth proportional to 3,331.71, 4,999.77 and 1,253.34 is: 1,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.71 : 4,999.77 = 1,253.34 : x
  2. Step 2: Convert to fraction form
    3,331.71/4,999.77 = 1,253.34/x
  3. Step 3: Cross multiply
    3,331.71x = 4,999.77 × 1,253.34
  4. Step 4: Simplify right side
    3,331.71x = 6,266,411.73
  5. Step 5: Solve for x
    x = 6,266,411.73/3,331.71
  6. Step 6: Final answer
    x = 1,880.84

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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.