Home / 3,037.40-4,191.02-1,692.69

Finding the Fourth Proportional to 3,037.40, 4,191.02 and 1,692.69

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Solution

The fourth proportional to 3,037.40, 4,191.02 and 1,692.69 is: 2,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.40 : 4,191.02 = 1,692.69 : x
  2. Step 2: Convert to fraction form
    3,037.40/4,191.02 = 1,692.69/x
  3. Step 3: Cross multiply
    3,037.40x = 4,191.02 × 1,692.69
  4. Step 4: Simplify right side
    3,037.40x = 7,094,097.64
  5. Step 5: Solve for x
    x = 7,094,097.64/3,037.40
  6. Step 6: Final answer
    x = 2,335.59

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Half scale
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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.