Home / 3,370.68-5,056.37-1,292.45

Finding the Fourth Proportional to 3,370.68, 5,056.37 and 1,292.45

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Solution

The fourth proportional to 3,370.68, 5,056.37 and 1,292.45 is: 1,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.68 : 5,056.37 = 1,292.45 : x
  2. Step 2: Convert to fraction form
    3,370.68/5,056.37 = 1,292.45/x
  3. Step 3: Cross multiply
    3,370.68x = 5,056.37 × 1,292.45
  4. Step 4: Simplify right side
    3,370.68x = 6,535,073.66
  5. Step 5: Solve for x
    x = 6,535,073.66/3,370.68
  6. Step 6: Final answer
    x = 1,938.80

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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.