Home / 1,617.44-2,427.40-1,251.32

Finding the Fourth Proportional to 1,617.44, 2,427.40 and 1,251.32

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Solution

The fourth proportional to 1,617.44, 2,427.40 and 1,251.32 is: 1,877.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.44 : 2,427.40 = 1,251.32 : x
  2. Step 2: Convert to fraction form
    1,617.44/2,427.40 = 1,251.32/x
  3. Step 3: Cross multiply
    1,617.44x = 2,427.40 × 1,251.32
  4. Step 4: Simplify right side
    1,617.44x = 3,037,454.17
  5. Step 5: Solve for x
    x = 3,037,454.17/1,617.44
  6. Step 6: Final answer
    x = 1,877.94

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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.