Home / 4,328.78-5,974.34-2,649.90

Finding the Fourth Proportional to 4,328.78, 5,974.34 and 2,649.90

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Solution

The fourth proportional to 4,328.78, 5,974.34 and 2,649.90 is: 3,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.78 : 5,974.34 = 2,649.90 : x
  2. Step 2: Convert to fraction form
    4,328.78/5,974.34 = 2,649.90/x
  3. Step 3: Cross multiply
    4,328.78x = 5,974.34 × 2,649.90
  4. Step 4: Simplify right side
    4,328.78x = 15,831,403.57
  5. Step 5: Solve for x
    x = 15,831,403.57/4,328.78
  6. Step 6: Final answer
    x = 3,657.24

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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.