Home / 3,037.98-4,557.45-985.50

Finding the Fourth Proportional to 3,037.98, 4,557.45 and 985.50

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Solution

The fourth proportional to 3,037.98, 4,557.45 and 985.50 is: 1,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.98 : 4,557.45 = 985.50 : x
  2. Step 2: Convert to fraction form
    3,037.98/4,557.45 = 985.50/x
  3. Step 3: Cross multiply
    3,037.98x = 4,557.45 × 985.50
  4. Step 4: Simplify right side
    3,037.98x = 4,491,366.98
  5. Step 5: Solve for x
    x = 4,491,366.98/3,037.98
  6. Step 6: Final answer
    x = 1,478.41

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Double scale
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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.