Home / 3,578.40-4,935.12-3,371.04

Finding the Fourth Proportional to 3,578.40, 4,935.12 and 3,371.04

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Solution

The fourth proportional to 3,578.40, 4,935.12 and 3,371.04 is: 4,649.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.40 : 4,935.12 = 3,371.04 : x
  2. Step 2: Convert to fraction form
    3,578.40/4,935.12 = 3,371.04/x
  3. Step 3: Cross multiply
    3,578.40x = 4,935.12 × 3,371.04
  4. Step 4: Simplify right side
    3,578.40x = 16,636,486.92
  5. Step 5: Solve for x
    x = 16,636,486.92/3,578.40
  6. Step 6: Final answer
    x = 4,649.14

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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.