Home / 1,933.26-2,666.70-1,146.75

Finding the Fourth Proportional to 1,933.26, 2,666.70 and 1,146.75

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Solution

The fourth proportional to 1,933.26, 2,666.70 and 1,146.75 is: 1,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.26 : 2,666.70 = 1,146.75 : x
  2. Step 2: Convert to fraction form
    1,933.26/2,666.70 = 1,146.75/x
  3. Step 3: Cross multiply
    1,933.26x = 2,666.70 × 1,146.75
  4. Step 4: Simplify right side
    1,933.26x = 3,058,038.23
  5. Step 5: Solve for x
    x = 3,058,038.23/1,933.26
  6. Step 6: Final answer
    x = 1,581.80

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Half scale
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Double scale
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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.