Home / 1,944.21-2,683.02-1,158.28

Finding the Fourth Proportional to 1,944.21, 2,683.02 and 1,158.28

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Solution

The fourth proportional to 1,944.21, 2,683.02 and 1,158.28 is: 1,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.21 : 2,683.02 = 1,158.28 : x
  2. Step 2: Convert to fraction form
    1,944.21/2,683.02 = 1,158.28/x
  3. Step 3: Cross multiply
    1,944.21x = 2,683.02 × 1,158.28
  4. Step 4: Simplify right side
    1,944.21x = 3,107,688.41
  5. Step 5: Solve for x
    x = 3,107,688.41/1,944.21
  6. Step 6: Final answer
    x = 1,598.43

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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.