Home / 3,248.80-4,845.32-2,903.20

Finding the Fourth Proportional to 3,248.80, 4,845.32 and 2,903.20

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Solution

The fourth proportional to 3,248.80, 4,845.32 and 2,903.20 is: 4,329.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.80 : 4,845.32 = 2,903.20 : x
  2. Step 2: Convert to fraction form
    3,248.80/4,845.32 = 2,903.20/x
  3. Step 3: Cross multiply
    3,248.80x = 4,845.32 × 2,903.20
  4. Step 4: Simplify right side
    3,248.80x = 14,066,933.02
  5. Step 5: Solve for x
    x = 14,066,933.02/3,248.80
  6. Step 6: Final answer
    x = 4,329.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.