Home / 1,183.32-1,781.37-1,064.25

Finding the Fourth Proportional to 1,183.32, 1,781.37 and 1,064.25

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Solution

The fourth proportional to 1,183.32, 1,781.37 and 1,064.25 is: 1,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.32 : 1,781.37 = 1,064.25 : x
  2. Step 2: Convert to fraction form
    1,183.32/1,781.37 = 1,064.25/x
  3. Step 3: Cross multiply
    1,183.32x = 1,781.37 × 1,064.25
  4. Step 4: Simplify right side
    1,183.32x = 1,895,823.02
  5. Step 5: Solve for x
    x = 1,895,823.02/1,183.32
  6. Step 6: Final answer
    x = 1,602.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.