Home / 3,432.21-4,740.03-2,382.45

Finding the Fourth Proportional to 3,432.21, 4,740.03 and 2,382.45

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Solution

The fourth proportional to 3,432.21, 4,740.03 and 2,382.45 is: 3,290.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.21 : 4,740.03 = 2,382.45 : x
  2. Step 2: Convert to fraction form
    3,432.21/4,740.03 = 2,382.45/x
  3. Step 3: Cross multiply
    3,432.21x = 4,740.03 × 2,382.45
  4. Step 4: Simplify right side
    3,432.21x = 11,292,884.47
  5. Step 5: Solve for x
    x = 11,292,884.47/3,432.21
  6. Step 6: Final answer
    x = 3,290.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.