Home / 1,944.20-2,916.37-627.95

Finding the Fourth Proportional to 1,944.20, 2,916.37 and 627.95

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Solution

The fourth proportional to 1,944.20, 2,916.37 and 627.95 is: 941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.20 : 2,916.37 = 627.95 : x
  2. Step 2: Convert to fraction form
    1,944.20/2,916.37 = 627.95/x
  3. Step 3: Cross multiply
    1,944.20x = 2,916.37 × 627.95
  4. Step 4: Simplify right side
    1,944.20x = 1,831,334.54
  5. Step 5: Solve for x
    x = 1,831,334.54/1,944.20
  6. Step 6: Final answer
    x = 941.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.