Home / 1,427.04-1,959.84-1,193.76

Finding the Fourth Proportional to 1,427.04, 1,959.84 and 1,193.76

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Solution

The fourth proportional to 1,427.04, 1,959.84 and 1,193.76 is: 1,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427.04 : 1,959.84 = 1,193.76 : x
  2. Step 2: Convert to fraction form
    1,427.04/1,959.84 = 1,193.76/x
  3. Step 3: Cross multiply
    1,427.04x = 1,959.84 × 1,193.76
  4. Step 4: Simplify right side
    1,427.04x = 2,339,578.60
  5. Step 5: Solve for x
    x = 2,339,578.60/1,427.04
  6. Step 6: Final answer
    x = 1,639.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.