Home / 1,765.35-2,436.26-1,019.32

Finding the Fourth Proportional to 1,765.35, 2,436.26 and 1,019.32

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Solution

The fourth proportional to 1,765.35, 2,436.26 and 1,019.32 is: 1,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.35 : 2,436.26 = 1,019.32 : x
  2. Step 2: Convert to fraction form
    1,765.35/2,436.26 = 1,019.32/x
  3. Step 3: Cross multiply
    1,765.35x = 2,436.26 × 1,019.32
  4. Step 4: Simplify right side
    1,765.35x = 2,483,328.54
  5. Step 5: Solve for x
    x = 2,483,328.54/1,765.35
  6. Step 6: Final answer
    x = 1,406.71

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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.