Home / 1,426.96-1,966.44-1,012.24

Finding the Fourth Proportional to 1,426.96, 1,966.44 and 1,012.24

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Solution

The fourth proportional to 1,426.96, 1,966.44 and 1,012.24 is: 1,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.96 : 1,966.44 = 1,012.24 : x
  2. Step 2: Convert to fraction form
    1,426.96/1,966.44 = 1,012.24/x
  3. Step 3: Cross multiply
    1,426.96x = 1,966.44 × 1,012.24
  4. Step 4: Simplify right side
    1,426.96x = 1,990,509.23
  5. Step 5: Solve for x
    x = 1,990,509.23/1,426.96
  6. Step 6: Final answer
    x = 1,394.93

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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.