Home / 4,138.65-5,710.32-2,371.23

Finding the Fourth Proportional to 4,138.65, 5,710.32 and 2,371.23

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Solution

The fourth proportional to 4,138.65, 5,710.32 and 2,371.23 is: 3,271.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.65 : 5,710.32 = 2,371.23 : x
  2. Step 2: Convert to fraction form
    4,138.65/5,710.32 = 2,371.23/x
  3. Step 3: Cross multiply
    4,138.65x = 5,710.32 × 2,371.23
  4. Step 4: Simplify right side
    4,138.65x = 13,540,482.09
  5. Step 5: Solve for x
    x = 13,540,482.09/4,138.65
  6. Step 6: Final answer
    x = 3,271.71

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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.