Home / 1,433.76-1,979.32-1,014.44

Finding the Fourth Proportional to 1,433.76, 1,979.32 and 1,014.44

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Solution

The fourth proportional to 1,433.76, 1,979.32 and 1,014.44 is: 1,400.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.76 : 1,979.32 = 1,014.44 : x
  2. Step 2: Convert to fraction form
    1,433.76/1,979.32 = 1,014.44/x
  3. Step 3: Cross multiply
    1,433.76x = 1,979.32 × 1,014.44
  4. Step 4: Simplify right side
    1,433.76x = 2,007,901.38
  5. Step 5: Solve for x
    x = 2,007,901.38/1,433.76
  6. Step 6: Final answer
    x = 1,400.44

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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.