Home / 3,142.67-4,336.75-1,882.98

Finding the Fourth Proportional to 3,142.67, 4,336.75 and 1,882.98

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Solution

The fourth proportional to 3,142.67, 4,336.75 and 1,882.98 is: 2,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.67 : 4,336.75 = 1,882.98 : x
  2. Step 2: Convert to fraction form
    3,142.67/4,336.75 = 1,882.98/x
  3. Step 3: Cross multiply
    3,142.67x = 4,336.75 × 1,882.98
  4. Step 4: Simplify right side
    3,142.67x = 8,166,036.81
  5. Step 5: Solve for x
    x = 8,166,036.81/3,142.67
  6. Step 6: Final answer
    x = 2,598.44

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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.