Home / 3,578.02-4,937.70-2,006.12

Finding the Fourth Proportional to 3,578.02, 4,937.70 and 2,006.12

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Solution

The fourth proportional to 3,578.02, 4,937.70 and 2,006.12 is: 2,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.02 : 4,937.70 = 2,006.12 : x
  2. Step 2: Convert to fraction form
    3,578.02/4,937.70 = 2,006.12/x
  3. Step 3: Cross multiply
    3,578.02x = 4,937.70 × 2,006.12
  4. Step 4: Simplify right side
    3,578.02x = 9,905,618.72
  5. Step 5: Solve for x
    x = 9,905,618.72/3,578.02
  6. Step 6: Final answer
    x = 2,768.46

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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.