Home / 3,487.57-4,813.18-1,995.19

Finding the Fourth Proportional to 3,487.57, 4,813.18 and 1,995.19

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Solution

The fourth proportional to 3,487.57, 4,813.18 and 1,995.19 is: 2,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.57 : 4,813.18 = 1,995.19 : x
  2. Step 2: Convert to fraction form
    3,487.57/4,813.18 = 1,995.19/x
  3. Step 3: Cross multiply
    3,487.57x = 4,813.18 × 1,995.19
  4. Step 4: Simplify right side
    3,487.57x = 9,603,208.60
  5. Step 5: Solve for x
    x = 9,603,208.60/3,487.57
  6. Step 6: Final answer
    x = 2,753.55

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Half scale
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Double scale
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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.