Home / 3,186.29-4,386.17-2,764.16

Finding the Fourth Proportional to 3,186.29, 4,386.17 and 2,764.16

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Solution

The fourth proportional to 3,186.29, 4,386.17 and 2,764.16 is: 3,805.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.29 : 4,386.17 = 2,764.16 : x
  2. Step 2: Convert to fraction form
    3,186.29/4,386.17 = 2,764.16/x
  3. Step 3: Cross multiply
    3,186.29x = 4,386.17 × 2,764.16
  4. Step 4: Simplify right side
    3,186.29x = 12,124,061.55
  5. Step 5: Solve for x
    x = 12,124,061.55/3,186.29
  6. Step 6: Final answer
    x = 3,805.07

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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.