Home / 3,252.40-4,488.36-1,855.12

Finding the Fourth Proportional to 3,252.40, 4,488.36 and 1,855.12

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Solution

The fourth proportional to 3,252.40, 4,488.36 and 1,855.12 is: 2,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.40 : 4,488.36 = 1,855.12 : x
  2. Step 2: Convert to fraction form
    3,252.40/4,488.36 = 1,855.12/x
  3. Step 3: Cross multiply
    3,252.40x = 4,488.36 × 1,855.12
  4. Step 4: Simplify right side
    3,252.40x = 8,326,446.40
  5. Step 5: Solve for x
    x = 8,326,446.40/3,252.40
  6. Step 6: Final answer
    x = 2,560.09

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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.