Home / 3,140.09-4,710.91-2,217.45

Finding the Fourth Proportional to 3,140.09, 4,710.91 and 2,217.45

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Solution

The fourth proportional to 3,140.09, 4,710.91 and 2,217.45 is: 3,326.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.09 : 4,710.91 = 2,217.45 : x
  2. Step 2: Convert to fraction form
    3,140.09/4,710.91 = 2,217.45/x
  3. Step 3: Cross multiply
    3,140.09x = 4,710.91 × 2,217.45
  4. Step 4: Simplify right side
    3,140.09x = 10,446,207.38
  5. Step 5: Solve for x
    x = 10,446,207.38/3,140.09
  6. Step 6: Final answer
    x = 3,326.72

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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.