Home / 3,089.89-4,264.11-1,692.64

Finding the Fourth Proportional to 3,089.89, 4,264.11 and 1,692.64

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Solution

The fourth proportional to 3,089.89, 4,264.11 and 1,692.64 is: 2,335.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.89 : 4,264.11 = 1,692.64 : x
  2. Step 2: Convert to fraction form
    3,089.89/4,264.11 = 1,692.64/x
  3. Step 3: Cross multiply
    3,089.89x = 4,264.11 × 1,692.64
  4. Step 4: Simplify right side
    3,089.89x = 7,217,603.15
  5. Step 5: Solve for x
    x = 7,217,603.15/3,089.89
  6. Step 6: Final answer
    x = 2,335.88

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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.