Home / 3,337.40-4,605.20-1,845.20

Finding the Fourth Proportional to 3,337.40, 4,605.20 and 1,845.20

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Solution

The fourth proportional to 3,337.40, 4,605.20 and 1,845.20 is: 2,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.40 : 4,605.20 = 1,845.20 : x
  2. Step 2: Convert to fraction form
    3,337.40/4,605.20 = 1,845.20/x
  3. Step 3: Cross multiply
    3,337.40x = 4,605.20 × 1,845.20
  4. Step 4: Simplify right side
    3,337.40x = 8,497,515.04
  5. Step 5: Solve for x
    x = 8,497,515.04/3,337.40
  6. Step 6: Final answer
    x = 2,546.15

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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.