Home / 3,820.16-5,264.67-2,979.53

Finding the Fourth Proportional to 3,820.16, 5,264.67 and 2,979.53

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Solution

The fourth proportional to 3,820.16, 5,264.67 and 2,979.53 is: 4,106.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.16 : 5,264.67 = 2,979.53 : x
  2. Step 2: Convert to fraction form
    3,820.16/5,264.67 = 2,979.53/x
  3. Step 3: Cross multiply
    3,820.16x = 5,264.67 × 2,979.53
  4. Step 4: Simplify right side
    3,820.16x = 15,686,215.88
  5. Step 5: Solve for x
    x = 15,686,215.88/3,820.16
  6. Step 6: Final answer
    x = 4,106.17

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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.