Home / 1,955.56-2,918.49-1,876.16

Finding the Fourth Proportional to 1,955.56, 2,918.49 and 1,876.16

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Solution

The fourth proportional to 1,955.56, 2,918.49 and 1,876.16 is: 2,799.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.56 : 2,918.49 = 1,876.16 : x
  2. Step 2: Convert to fraction form
    1,955.56/2,918.49 = 1,876.16/x
  3. Step 3: Cross multiply
    1,955.56x = 2,918.49 × 1,876.16
  4. Step 4: Simplify right side
    1,955.56x = 5,475,554.20
  5. Step 5: Solve for x
    x = 5,475,554.20/1,955.56
  6. Step 6: Final answer
    x = 2,799.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.