Home / 3,810.70-5,712.14-2,578.23

Finding the Fourth Proportional to 3,810.70, 5,712.14 and 2,578.23

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Solution

The fourth proportional to 3,810.70, 5,712.14 and 2,578.23 is: 3,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.70 : 5,712.14 = 2,578.23 : x
  2. Step 2: Convert to fraction form
    3,810.70/5,712.14 = 2,578.23/x
  3. Step 3: Cross multiply
    3,810.70x = 5,712.14 × 2,578.23
  4. Step 4: Simplify right side
    3,810.70x = 14,727,217.16
  5. Step 5: Solve for x
    x = 14,727,217.16/3,810.70
  6. Step 6: Final answer
    x = 3,864.70

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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.