Home / 3,038.14-4,557.20-986.14

Finding the Fourth Proportional to 3,038.14, 4,557.20 and 986.14

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Solution

The fourth proportional to 3,038.14, 4,557.20 and 986.14 is: 1,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.14 : 4,557.20 = 986.14 : x
  2. Step 2: Convert to fraction form
    3,038.14/4,557.20 = 986.14/x
  3. Step 3: Cross multiply
    3,038.14x = 4,557.20 × 986.14
  4. Step 4: Simplify right side
    3,038.14x = 4,494,037.21
  5. Step 5: Solve for x
    x = 4,494,037.21/3,038.14
  6. Step 6: Final answer
    x = 1,479.21

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Similar ratio
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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.