Home / 4,138.45-5,711.29-2,370.33

Finding the Fourth Proportional to 4,138.45, 5,711.29 and 2,370.33

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Solution

The fourth proportional to 4,138.45, 5,711.29 and 2,370.33 is: 3,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.45 : 5,711.29 = 2,370.33 : x
  2. Step 2: Convert to fraction form
    4,138.45/5,711.29 = 2,370.33/x
  3. Step 3: Cross multiply
    4,138.45x = 5,711.29 × 2,370.33
  4. Step 4: Simplify right side
    4,138.45x = 13,537,636.10
  5. Step 5: Solve for x
    x = 13,537,636.10/4,138.45
  6. Step 6: Final answer
    x = 3,271.19

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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.