Home / 3,235.73-4,853.90-1,287.47

Finding the Fourth Proportional to 3,235.73, 4,853.90 and 1,287.47

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Solution

The fourth proportional to 3,235.73, 4,853.90 and 1,287.47 is: 1,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.73 : 4,853.90 = 1,287.47 : x
  2. Step 2: Convert to fraction form
    3,235.73/4,853.90 = 1,287.47/x
  3. Step 3: Cross multiply
    3,235.73x = 4,853.90 × 1,287.47
  4. Step 4: Simplify right side
    3,235.73x = 6,249,265.99
  5. Step 5: Solve for x
    x = 6,249,265.99/3,235.73
  6. Step 6: Final answer
    x = 1,931.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.