Home / 3,346.38-4,615.79-2,017.58

Finding the Fourth Proportional to 3,346.38, 4,615.79 and 2,017.58

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Solution

The fourth proportional to 3,346.38, 4,615.79 and 2,017.58 is: 2,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.38 : 4,615.79 = 2,017.58 : x
  2. Step 2: Convert to fraction form
    3,346.38/4,615.79 = 2,017.58/x
  3. Step 3: Cross multiply
    3,346.38x = 4,615.79 × 2,017.58
  4. Step 4: Simplify right side
    3,346.38x = 9,312,692.42
  5. Step 5: Solve for x
    x = 9,312,692.42/3,346.38
  6. Step 6: Final answer
    x = 2,782.92

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Half 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.