Home / 1,918.33-2,877.45-944.17

Finding the Fourth Proportional to 1,918.33, 2,877.45 and 944.17

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Solution

The fourth proportional to 1,918.33, 2,877.45 and 944.17 is: 1,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918.33 : 2,877.45 = 944.17 : x
  2. Step 2: Convert to fraction form
    1,918.33/2,877.45 = 944.17/x
  3. Step 3: Cross multiply
    1,918.33x = 2,877.45 × 944.17
  4. Step 4: Simplify right side
    1,918.33x = 2,716,801.97
  5. Step 5: Solve for x
    x = 2,716,801.97/1,918.33
  6. Step 6: Final answer
    x = 1,416.23

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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.