Home / 1,939.15-2,908.51-1,014.34

Finding the Fourth Proportional to 1,939.15, 2,908.51 and 1,014.34

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Solution

The fourth proportional to 1,939.15, 2,908.51 and 1,014.34 is: 1,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.15 : 2,908.51 = 1,014.34 : x
  2. Step 2: Convert to fraction form
    1,939.15/2,908.51 = 1,014.34/x
  3. Step 3: Cross multiply
    1,939.15x = 2,908.51 × 1,014.34
  4. Step 4: Simplify right side
    1,939.15x = 2,950,218.03
  5. Step 5: Solve for x
    x = 2,950,218.03/1,939.15
  6. Step 6: Final answer
    x = 1,521.40

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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.