Home / 3,692.34-5,090.28-2,630.70

Finding the Fourth Proportional to 3,692.34, 5,090.28 and 2,630.70

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Solution

The fourth proportional to 3,692.34, 5,090.28 and 2,630.70 is: 3,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.34 : 5,090.28 = 2,630.70 : x
  2. Step 2: Convert to fraction form
    3,692.34/5,090.28 = 2,630.70/x
  3. Step 3: Cross multiply
    3,692.34x = 5,090.28 × 2,630.70
  4. Step 4: Simplify right side
    3,692.34x = 13,390,999.60
  5. Step 5: Solve for x
    x = 13,390,999.60/3,692.34
  6. Step 6: Final answer
    x = 3,626.70

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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.