Home / 1,965.18-2,944.25-1,038.66

Finding the Fourth Proportional to 1,965.18, 2,944.25 and 1,038.66

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Solution

The fourth proportional to 1,965.18, 2,944.25 and 1,038.66 is: 1,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.18 : 2,944.25 = 1,038.66 : x
  2. Step 2: Convert to fraction form
    1,965.18/2,944.25 = 1,038.66/x
  3. Step 3: Cross multiply
    1,965.18x = 2,944.25 × 1,038.66
  4. Step 4: Simplify right side
    1,965.18x = 3,058,074.71
  5. Step 5: Solve for x
    x = 3,058,074.71/1,965.18
  6. Step 6: Final answer
    x = 1,556.13

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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.