Home / 3,368.78-4,649.51-2,175.24

Finding the Fourth Proportional to 3,368.78, 4,649.51 and 2,175.24

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Solution

The fourth proportional to 3,368.78, 4,649.51 and 2,175.24 is: 3,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.78 : 4,649.51 = 2,175.24 : x
  2. Step 2: Convert to fraction form
    3,368.78/4,649.51 = 2,175.24/x
  3. Step 3: Cross multiply
    3,368.78x = 4,649.51 × 2,175.24
  4. Step 4: Simplify right side
    3,368.78x = 10,113,797.93
  5. Step 5: Solve for x
    x = 10,113,797.93/3,368.78
  6. Step 6: Final answer
    x = 3,002.22

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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.