Home / 3,427.47-4,729.90-1,935.38

Finding the Fourth Proportional to 3,427.47, 4,729.90 and 1,935.38

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Solution

The fourth proportional to 3,427.47, 4,729.90 and 1,935.38 is: 2,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.47 : 4,729.90 = 1,935.38 : x
  2. Step 2: Convert to fraction form
    3,427.47/4,729.90 = 1,935.38/x
  3. Step 3: Cross multiply
    3,427.47x = 4,729.90 × 1,935.38
  4. Step 4: Simplify right side
    3,427.47x = 9,154,172.77
  5. Step 5: Solve for x
    x = 9,154,172.77/3,427.47
  6. Step 6: Final answer
    x = 2,670.83

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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.