Home / 3,155.49-4,733.64-1,692.63

Finding the Fourth Proportional to 3,155.49, 4,733.64 and 1,692.63

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Solution

The fourth proportional to 3,155.49, 4,733.64 and 1,692.63 is: 2,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.49 : 4,733.64 = 1,692.63 : x
  2. Step 2: Convert to fraction form
    3,155.49/4,733.64 = 1,692.63/x
  3. Step 3: Cross multiply
    3,155.49x = 4,733.64 × 1,692.63
  4. Step 4: Simplify right side
    3,155.49x = 8,012,301.07
  5. Step 5: Solve for x
    x = 8,012,301.07/3,155.49
  6. Step 6: Final answer
    x = 2,539.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.