Home / 1,805.31-2,493.54-1,307.16

Finding the Fourth Proportional to 1,805.31, 2,493.54 and 1,307.16

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Solution

The fourth proportional to 1,805.31, 2,493.54 and 1,307.16 is: 1,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.31 : 2,493.54 = 1,307.16 : x
  2. Step 2: Convert to fraction form
    1,805.31/2,493.54 = 1,307.16/x
  3. Step 3: Cross multiply
    1,805.31x = 2,493.54 × 1,307.16
  4. Step 4: Simplify right side
    1,805.31x = 3,259,455.75
  5. Step 5: Solve for x
    x = 3,259,455.75/1,805.31
  6. Step 6: Final answer
    x = 1,805.48

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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.