Home / 3,018.80-4,166.02-1,692.42

Finding the Fourth Proportional to 3,018.80, 4,166.02 and 1,692.42

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Solution

The fourth proportional to 3,018.80, 4,166.02 and 1,692.42 is: 2,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.80 : 4,166.02 = 1,692.42 : x
  2. Step 2: Convert to fraction form
    3,018.80/4,166.02 = 1,692.42/x
  3. Step 3: Cross multiply
    3,018.80x = 4,166.02 × 1,692.42
  4. Step 4: Simplify right side
    3,018.80x = 7,050,655.57
  5. Step 5: Solve for x
    x = 7,050,655.57/3,018.80
  6. Step 6: Final answer
    x = 2,335.58

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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.