Home / 3,089.56-4,263.60-1,692.40

Finding the Fourth Proportional to 3,089.56, 4,263.60 and 1,692.40

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Solution

The fourth proportional to 3,089.56, 4,263.60 and 1,692.40 is: 2,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.56 : 4,263.60 = 1,692.40 : x
  2. Step 2: Convert to fraction form
    3,089.56/4,263.60 = 1,692.40/x
  3. Step 3: Cross multiply
    3,089.56x = 4,263.60 × 1,692.40
  4. Step 4: Simplify right side
    3,089.56x = 7,215,716.64
  5. Step 5: Solve for x
    x = 7,215,716.64/3,089.56
  6. Step 6: Final answer
    x = 2,335.52

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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.