Home / 3,371.08-4,649.34-2,830.63

Finding the Fourth Proportional to 3,371.08, 4,649.34 and 2,830.63

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Solution

The fourth proportional to 3,371.08, 4,649.34 and 2,830.63 is: 3,903.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.08 : 4,649.34 = 2,830.63 : x
  2. Step 2: Convert to fraction form
    3,371.08/4,649.34 = 2,830.63/x
  3. Step 3: Cross multiply
    3,371.08x = 4,649.34 × 2,830.63
  4. Step 4: Simplify right side
    3,371.08x = 13,160,561.28
  5. Step 5: Solve for x
    x = 13,160,561.28/3,371.08
  6. Step 6: Final answer
    x = 3,903.96

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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.