Home / 3,281.12-4,885.08-3,235.16

Finding the Fourth Proportional to 3,281.12, 4,885.08 and 3,235.16

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Solution

The fourth proportional to 3,281.12, 4,885.08 and 3,235.16 is: 4,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.12 : 4,885.08 = 3,235.16 : x
  2. Step 2: Convert to fraction form
    3,281.12/4,885.08 = 3,235.16/x
  3. Step 3: Cross multiply
    3,281.12x = 4,885.08 × 3,235.16
  4. Step 4: Simplify right side
    3,281.12x = 15,804,015.41
  5. Step 5: Solve for x
    x = 15,804,015.41/3,281.12
  6. Step 6: Final answer
    x = 4,816.65

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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.